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October 21, 2014

Search: Physics-circular force

Number of results: 61,184

Physics
please check these answers for me When an object is moving with uniform circular motion, the centripetal acceleration of the object a. is circular b. is perpendicular to the plane of motion c. is zero d. is directed toward the center of motion D What is the term for the net ...
February 15, 2009 by teamjakeward

physics
A car is rounding a circular curve of radius r on a banked turn. As the drawing indicates, there are two forces acting on the car, its weight mg and the normal force FN exerted on it by the road. Which force, or force component, provides the centripetal force that keeps the ...
June 1, 2014 by sally

physics
A car is rounding a circular curve of radius r on a banked turn. As the drawing indicates, there are two forces acting on the car, its weight mg and the normal force FN exerted on it by the road. Which force, or force component, provides the centripetal force that keeps the ...
June 1, 2014 by sal64

PHYSICS - VERYYYY IMPORTANT!!!
VERY IMPORTANT FOR A PHYSICS PRESENTATION.. PLEASE HELP & EXPLAIN CLEARLY??? THANKS SO MUCH! (a) why is the centripetal force neede to keep a body moving in a circular path? (b) In what direction does a centripetal force accelerate the body on whic it acts?? (c) Upon what ...
January 14, 2007 by Silvia

Physics
In a cyclotron (one type of particle accelerator), a deuteron (of atomic mass 2.00 u) reaches a final speed of 12.0% of the speed of light while moving in a circular path of radius 0.565 m. The deuteron is maintained in the circular path by a magnetic force. What magnitude of ...
July 10, 2010 by Simi

PHYSICS
A car moves around a 4.5 km circular track at a rate of 40.0 m/s. What is the magnitude of the force that keeps a 1000-kg car in circular motion?
September 8, 2014 by DULCE ALERIA

physics.. important stuff !
i still do not understand?? can someone please help me out??? (a) why is the centripetal force neede to keep a body moving in a circular path? (b) In what direction does a centripetal force accelerate the body on whic it acts?? (c) Upon what threee factors does the centripetal...
January 15, 2007 by maria

Physics
A bicyclist is riding at a tangential speed of 13.9 m/s around a circular track with a radius of 38.4 m. If the magnitude of the force that maintains the bike’s circular motion is 378 N, what is the combined mass of the bicycle and rider? Answer in units of kg
January 29, 2013 by Jacky

Physics
A bicyclist is riding at a tangential speed of 13.2 m/s around a circular track with a radius of 36.5 m. If the magnitude of the force that maintains the bike’s circular motion is 378 N, what is the combined mass of the bicycle and rider? Answer in units of kg
January 29, 2013 by Joselyn

Physics
A bicyclist is riding at a tangential speed of 13.9 m/s around a circular track with a radius of 38.4 m. If the magnitude of the force that maintains the bike’s circular motion is 378 N, what is the combined mass of the bicycle and rider? Answer in units of kg
February 4, 2013 by Maggie A.

Physics
A bicyclist is riding at a tangential speed of 13.9 m/s around a circular track with a radius of 38.4 m. If the magnitude of the force that maintains the bike’s circular motion is 378 N, what is the combined mass of the bicycle and rider? Answer in units of kg
February 4, 2013 by Maggie A.

SCIENCE
a force of 70N keeps a 70-kg pilot in circular motion if he is flying a small plane at 35 m/s in circular path, what is the radius of the circular path?
July 5, 2014 by ace ponce

Physics?
Hi this question is beyond me, so any help = great. A useful instrument for evaluating fibromyalgia and trigger-point tenderness is the Doloriometer or Algorimeter. This device consists of a force meter attached to a circular probe that is pressed against the skin until pain ...
December 4, 2009 by Tony

physics
A 905 kg test car travels around a circular track with a circumference of 3.25 km. If the magnitude of the force that maintains the car's circular motion is 2140 N, what is the car's tangential speed?
November 18, 2010 by Devon

College Physics
A concept question: Suppose that the centripetal force acting on an object in circular motion were increased to a new value, and the object remained in circular path with the same radius. How would its motion be affected?
September 30, 2010 by Eric

Physics
1.A mass is moving in uniform circular motion under the effects of a centripetal force. If the force is doubled and the radius is cut in half, by what factor will the speed change?
December 6, 2012 by Antone

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
November 22, 2009 by Maggie

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
November 22, 2009 by Maggie

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? I think the answer is B but not sure. a) That there is no reaction force-the net force on the object is ...
November 23, 2009 by maggie

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? Is A the correct answer? a) That there is no reaction force-the net force on the object is zero, so the ...
November 23, 2009 by ronnie

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
November 21, 2009 by maggie

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
November 22, 2009 by Maggie

physics
An object in the vacuum of space orbits the earth at a fixed speed in a circular orbit several hundred miles above the earth. What can we conclude about the reaction force? a) That there is no reaction force-the net force on the object is zero, so the reaction force is zero ...
November 23, 2009 by julia

Physics
Do circular electric lines of force exist ? why? what about magnetic lines of force? Pl help
March 29, 2008 by Sandhya

Physics
When a given object moves a circular path, the centripetal force varies directly as the square of the velocity and inversely as the radius of the curve. If the force is 640lb for a velocity of 20mi/h and a radius of 5m, find the force for the velocity of 30mi/h and a radius of...
December 18, 2013 by Bernice Nicole

Physics
When a given object moves a circular path, the centripetal force varies directly as the square of the velocity and inversely as the radius of the curve. If the force is 640lb for a velocity of 20mi/h and a radius of 5m, find the force for the velocity of 30mi/h and a radius of...
December 18, 2013 by Bernice Nicole

Physics
In a cyclotron (one type of particle accelerator), a deuteron (of mass 2.00 u) reaches a final speed of 8.4% of the speed of light while moving in a circular path of radius 0.551 m. What magnitude of magnetic force is required to maintain the deuteron in a circular path?
October 5, 2010 by David

Physics
In a cyclotron (one type of particle accelerator), a deuteron (of mass 2.00 u) reaches a final speed of 10.1% of the speed of light while moving in a circular path of radius 0.540 m. What magnitude of magnetic force is required to maintain the deuteron in a circular path?
March 27, 2014 by Paul

Math
A satellite moving in a circular orbit with respect to the earth's center experiences a gravitational force. If the satellite is put into a new circular orbit of smaller radius, how will the gravitational force and the speed of the satellite change ,if at all?
August 19, 2011 by Troy

Physics
A race car driver drives her 1500 kg car around a circular turn, which is banked at an angle of 20 degrees to the horizontal. If the car is traveling around the frictionless curve of radius 100m, a) What is providing the center-seeking force on the car? (ie. centripetal force...
December 1, 2009 by Anonymous

physics
there are 3 parts to my question. i need help on the last part. 1.a. A child rides a bike in a circular path with a radius of 2.0 m. The tangential speed of the bike is 2.0 m/s. The combined mass of the bike and the child is 43 kg. What is the magnitude of the bike's ...
February 21, 2009 by Bella

physics
A string is hanging from the rearview mirror of you car and a ball is at the end of this string. Suppose that you drive around a circular track at fixed speed. Which list below gives all the forces that act on the ball? A) tension and the force of gravity b) tension force of ...
November 23, 2009 by julia

physics
A hypodermic needle consists of a plunger of circular cross-section that slides inside a hollow cylindrical syringe. When the plunger is pushed, the contents of the syringe are forced through a hollow needle (also of circular cross section). If a 4.0- N force is applied to the...
April 24, 2012 by lenny

physics
Your instructor rides on a merry-go-round turning at a constant rate. In which direction does the net force on your instructor point? A. away from the center B. toward the center C. down D. tangent to the circular path I choose D.tangent to the circular path (wrong again)
March 11, 2014 by anonymous

physics
A string is hanging from the rearview mirror of you car and a ball is at the end of this string. Suppose that your drive around a circular track at fixed speed. Which list below gives all the forces that act on the ball? A) tension and the force of gravity b) tension force of ...
November 21, 2009 by jon

Physics
Does centripetal force acting on an object in uniform circular motion do work on the object? For work, force must be in the direction of movement. Please stop posting under differing names.
June 18, 2007 by Rob

Physics
What term describes a force that causes an object to move in a circular path?
May 24, 2010 by James

physics
If there is just one force acting on an object, does its work necessarily result in an increase in kinetic energy? Explain. (Select all that apply.) 1.Yes, when a force does work on an object it always results in an increase in kinetic energy. 2.The work done by the force on ...
February 4, 2010 by rad

physics
If there is just one force acting on an object, does its work necessarily result in an increase in kinetic energy? Explain. (Select all that apply.) 1.Yes, when a force does work on an object it always results in an increase in kinetic energy. 2.The work done by the force on ...
February 4, 2010 by wassuh

physics
A 1310-kg racecar is driving around a circular track of radius 153 m. In the instant shown in the figure, the vehicle has a forward speed of 31.7 m/s and is slowing at a rate of 5.35 m/s2. What is the magnitude of the net force acting on the vehicle at this time and the force...
October 9, 2013 by kg90

physics
what force is acting on a circular platform rotating opposite of a person standing on the edge?
November 22, 2010 by ashley

Physics
What is the circular force of a 150 g yoyo swung around on a 1.00 m string at a velocity of 5.0 m/s (in Newtons)?
June 16, 2013 by Anonymous

physics help
A circular-motion addict of mass 70 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.5 m/s. (a) What is the period of the motion? s (b) What is the magnitude of the normal force on the addict from the seat when both go through the ...
December 14, 2008 by john

physics
A circular-motion addict of mass 70 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.5 m/s. (a) What is the period of the motion? s (b) What is the magnitude of the normal force on the addict from the seat when both go through the ...
December 14, 2008 by help

Physics
A circular-motion addict of mass 85 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.1 m/s. (a) What is the period of the motion? __________s (b) What is the magnitude of the normal force on the addict from the seat when both go ...
October 28, 2009 by Kajal

physics
How much centripetal force is needed to keep a 0.20 kg ball on a 1.50 m string moving in a circular path with a speed of 3.0 m/s?
December 15, 2011 by Anonymous

physics
How much centripetal force is needed to keep a 0.20 kg ball on a 1.50 m string moving in a circular path with a speed of 3.0 m/s?
December 15, 2011 by Anonymous

ap physics
hi i am not sure how to do this...thank you a man is going to pitch a ball. he moves the ball in a circular path of radius 0.6 m, constantly applying a force of 30N to the ball in the same direction as the ball's velocity along the circular path. at the highest point on the ...
November 7, 2010 by Appreciative student

Physics Tough question!
A pond has the shape of an ice cream cone with the tip slices off and has a depth of 5.00m. The atmospheric pressure above the pond is 1.01 *10^5 Pa. The circular top surface (radius = R2) and circular bottum (radis = R1) of the pond are both parrallel to the ground. The angle...
March 8, 2010 by ALan

Physics
In order for a satellite in free fall to maintain uniform circular motion, ______________. a) there must be a tangential acceleration b) there must be angular acceleration c)there must be a centripetal force d) there must be a circumventing force Its either a or c. Can't ...
November 23, 2012 by Kelvin

physics
Let the radius oh a circular segment be 110 m, the mass of the car 1508 kg, and the coefficient of the static friction between the road and tire 0.9. Find the magnitude of the normal force N which the road evers on the car at the optional speed (the spurred at which the ...
October 11, 2011 by Kyra

physics
In a hydraulic piston set up, one circular piston has a diameter of 2 cm,while the other piston has a diameter of 6cm. Calculate the ratio of the force exerted by the larger piston to the force applied to the smaller piston?
July 25, 2012 by buh1

physics
What is the centripetal force of an object undergoing uniform circular motion when its radius is doubled and its speed remains constant?
April 25, 2013 by Anonymous

physics
The drawing shows an extreme skier at bottom of a ski jump. At this point the track is circular with a radius r. Two forces act on the skier, her weight mg and the normal force FN. Which relation describes how the net force acting on her is related to her mass m and speed v ...
February 26, 2011 by annie

physics
A 0.15 kg ball is attached to the end of a 0.82 m string and moved in a horizontal circle at 4.3 m/s what net force is needed to keep it in a circular path
September 2, 2011 by Anonymous

Physics
A police officer in hot pursuit drives her car through a circular turn of radius 320 m with a constant speed of 74.5 km/h. Her mass is 55.0 kg. (a) What is the magnitude of the net force of the officer on the car seat? ______N (b) What is the angle (relative to vertical) of ...
October 28, 2009 by jane

Physics - Centrifugal force
A centrifugal force, if it existed, would be directed raidally outward from the centre of the circle during a circular motion. Explain why it feels as though you are being thrown outward when you are riding on an amusment park ride that causes you to spin in a circle.
August 21, 2010 by Shaila

physics
what is the magnitude of the centripetal force acting on the earth as it orbits the sun assuming a circular orbital speed of 3.00 X 10^4 meters per second
January 19, 2012 by Anonymous

physics
Let the radius of the circular segment be 92 m, the mass of the car 2393 kg, and the coefficient of the static friction between the road and the tire 0.9. Find the magnitude of the normal force N which the road exerts on the car at the opti- mal speed (the speed at which the ...
September 29, 2012 by mark

Physics
A person is making homemade ice cream. She exerts a force of magnitude 23 N on the free end of the crank handle, and this end moves in a circular path of radius 0.35 m. The force is always applied parallel to the motion of the handle. If the handle is turned once every 1.6 s, ...
February 25, 2008 by Eric

PHYSICS PLEASE HELP !!!!!
A roller coaster cart with a mass of 13 kg travels around two frictionless, circular loops. It just barely makes it around the top of the first circular loop which has a radius of 24 meters. It then travels around the other loop with a radius of 14 meters. What is the normal ...
October 27, 2011 by Amanda

physics
The drawing shows a steel ball rolling along a flat surface at constant velocity from point A to point B. A magnet exerts an attractive force on the ball only for the short time that passes as the ball rolls past point B. Which one of the following trajectories does the ball ...
June 8, 2014 by Sam

physics
he drawing shows a steel ball rolling along a flat surface at constant velocity from point A to point B. A magnet exerts an attractive force on the ball only for the short time that passes as the ball rolls past point B. Which one of the following trajectories does the ball ...
June 8, 2014 by Sam

PHYSICS CIRCULAR MOTION GRAVITATIONAL CONSTANT
Three masses are arranged in an (x, y) plane. 7 kg (-3,1) 8 kg (0,0) 9 kg (1,2) a) What is the magnitude of the resulting force on the 8 kg mass at the origin? The universal gravitational constant is 6.6726 × 10^−11 N · m^2/kg^2. Answer in units of N. b) What is the ...
November 14, 2010 by Jaylee

Physics
A particle of mass 1.6 x 10-27 kg is revolving on a circular path of radius 10cm under the Influence of a centripetal force of 2.5 x 10-12. Find out the angular velocity?
July 15, 2011 by Shrawan

Physics
How will drag force and air resistance affect an object in circular motion in the air?
October 29, 2010 by John

Physics
What is the pressure increase in the fluid in a syringe when a force of 34.5 N is applied to the circular piston of the syringe, which has a diameter of 10.2 mm?
February 1, 2011 by Sydney

physics
For this problem use the Uniform circular motion mode of the simulation. (a) Given the limits on the sliders in the simulation, what is the maximum possible speed that can be achieved in "Uniform circular motion" mode? .25 m/s For the remaining parts of this question use the ...
December 20, 2009 by jesse

physics
A satellite moves in a circular orbit around the Earth at a speed of 5.8 km/s. Determine the satellite’s altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 × 1024 kg. The value of the universal gravitational ...
December 11, 2011 by janee

Physics
if a car is moving around a circular track at a constant speed of 55 mi/h, is there a net force acting on the car?
October 25, 2010 by Janice

college physics
Let the radius of the circular segment be 108 m, the mass of the car 1861 kg, and the coefficient of the static friction between the road and the tire 0.9. The banking angle is not given. Find the magnitude of the normal force N which the road exerts on the car at the opti-mal...
October 5, 2010 by mark

PHYSICS
Exerting a force of 94 N on the circular piston of a syringe causes a pressure increase in the barrel of 1.3 atm. What is the diameter of the piston?
March 22, 2011 by Alexia

Physics
Exerting a force of 88 N on the circular piston of a syringe causes a pressure increase in the barrel of 1.3 atm. What is the diameter of the piston?
January 19, 2013 by Anonymous

physics
Given that the Moon's period about the Earth is 27.32 days and the distance from the Earth to the Moon is 3.84*10^8 m estimate the mass of the Earth. Assume the orbit is circular. Why do you suppose your estimate is high? The force of attraction= centripetal force G MeMm/d^2=...
January 8, 2007 by becky

Physics
A 980 kg car traveling at 20 m/s rounds a curve of radius 40 m. What is the friction force that must act on the car to keep it in its circular path?
November 16, 2012 by Mark

Physics
How much work is done by the centripetal force (in this case, the friction between the tires and the road) on a 1200 kg car moving on a circular track of radius 50 meters at a constant speed of 31.4 m/s?
December 6, 2012 by Alainna

Math-Algebra
When a given object moves a circular path, the centripetal force varies directly as the square of the velocity and inversely as the radius of the curve. If the force is 640lb for a velocity of 20mi/h and a radius of 5m, find the force for the velocity of 30mi/h and a radius of...
December 18, 2013 by Bernice Nicole

physics
use bohr's quantization rule to calculate the energy levels of a hermonic oscillator, for which the energy is (p^2/2m) + (mw^2r^2/2) i.e. force is mw^2y. Restrict yourself to circular orbits.
September 7, 2013 by kalyan

physics
an object of mass m moves with a uniform speed v round a circular path of radius r.if its angular speed is g the magnitude of the centripetal force acting on it is?
September 12, 2014 by Josephine

Physics
A pilot of mass 65 kg in a jet aircraft makes a complete vertical circle in mid-air. The vertical circle has a radius of 1.70 km at a constant speed of 215 m/s. Determine the force of the seat on the pilot at (a) the bottom of the loop and (b) the top of the loop. (Note that ...
October 28, 2009 by Gina

Physics
A pilot of mass 65 kg in a jet aircraft makes a complete vertical circle in mid-air. The vertical circle has a radius of 1.70 km at a constant speed of 215 m/s. Determine the force of the seat on the pilot at (a) the bottom of the loop and (b) the top of the loop. (Note that ...
October 29, 2009 by Rachel

Physics-circular force
What is the maximum speed with which a 1140 kg car can round a turn of radius 65 m on a flat road if the coefficient of friction between tires and road is 0.80?
October 27, 2009 by Anonymous

physics
A jet (m = 4.00 105 kg), flying at 139 m/s, banks to make a horizontal circular turn. The radius of the turn is 3810 m. Calculate the necessary lifting force.
December 19, 2010 by jessica

earth
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L. The satellites fire rockets that provide the force needed to maintain a circular orbit around the space station. The ...
November 19, 2011 by mje

Physics-circular force
A child on a merry-go-round is moving with a speed of 1.40 m/s when 1.18 m from the center of the merry-go-round. (a) Calculate the centripetal acceleration of the child. (and I got 1.08) (b) Calculate the net horizontal force exerted on the child (mass = 25.0 kg). (and I got ...
October 28, 2009 by Anonymous

physics
As Newton showed, gravity is a force that acts along the line separating two bodies and causes the two bodies to be attracted to each other (i.e. it is a central force). In this problem, assume that the planetary orbits about the Sun are circular. a. Does the force of gravity ...
October 24, 2010 by zeph

bioethics
Help "pornography" is the pornographic depiction of nudity and/or sex. a. too broad b. too narrow c. attempt to persuade d. too vague e. use of negatives f. circular I came up with circular. not sure if I'm right. Circular is correct.
June 19, 2006 by sharon

Physics 1
(I) determine the tangential and centripetal components of the net force excreted on the car(by the ground) when it accelerates at a uniform speed of 15 m/s in 11 s, moving on a circular track of radius 500m. The cars mass is 1100kg.
May 18, 2013 by Martin

Physics 1
(I) determine the tangential and centripetal components of the net force excreted on the car(by the ground) when it accelerates at a uniform speed of 15 m/s in 11 s, moving on a circular track of radius 500m. The cars mass is 1100kg.
May 18, 2013 by Martin

Physics
A roller-coaster car has a mass of 1170 kg when fully loaded with passengers. As the car passes over the top of a circular hill of radius 16 m, its speed is not changing. (a) What are the magnitude and direction of the force of the track on the car at the top of the hill if ...
October 28, 2009 by joann

Physics
A spring has a force constant of 100N/m and an unstretched lenght of .07 m. One end is attached to a post taht is free to rotate in the center of a smooth table. The other end is attatched to a 1 kg disc moving in uniform circular motion on the table, which stretches the ...
March 26, 2007 by Tammy

Physics-Mechanics
A poorly designed playground slide begins with a straight section and ends with a circular arc as shown in the figure below. img716.imageshack.us/img716/8381/25746193.jpg A child starts at point P and slides down both sections of the slide. At some point on the circular arc, ...
October 8, 2010 by Genevieve

Physics
A submarine is at a depth of 15.0 m under the ocean surface. The inside of the submarine is kept at atmospheric pressure. What is the net force being exerted on a circular window of the submarine that has a radius of 25 cm? The density of the ocean water is 1030 kg/m3. I know ...
January 21, 2014 by Ruby

physics
A circular steel wire 2.00 m is to stretch no more than 0.25 cm when a tensile force of 400 N is applied to each end of wire. What minimum diameter is required for the wire?
August 22, 2009 by colleen

Physics
We were doing a refraction lab where you passed a lazer beam through a water in a semi-circular dish. I was wondering why we used a semi-circular shape?
February 8, 2009 by Lena

physics
A race car travels 90 m/s around a circular track of radius 93.5 m. 2.9 mg µ = 0.12 19◦ What is the magnitude of the resultant force on the 2900 kg driver and his car if the car does not slip?
December 2, 2012 by ccbatman

physics
A crate is pulled to the right with a force of 84.5 N, to the left with a force of 116.5 N, upward with a force of 685.7 N, and downward with a force of 242 N. What is the net external force in the x direction?
October 7, 2012 by jane

physics
If a hollow metal cylinder of radius r is rolling towards a circular bump of height h. calculate the minimum speed needed to progress over a circular bump.
March 3, 2013 by darrin

physics
plz help Two particles of mass m and M Undergo uniform circular motion about each other at a seperation R under the influence of an attractive force F . The angular velocity is w (Omega) radians per second. Show that R=(F/w)(1/m+ 1/M).
December 17, 2013 by yasin

PHYSICS
In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is approximately 0.542 multiplied by 10-10 m. (The actual value is 0.529 multiplied by 10-10 m.) (a) Find the electric force exerted on each particle, ...
September 13, 2013 by smita

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