Questions LLC
Login
or
Sign Up
Ask a New Question
Mechanics
Page 3
Questions (40,013)
A hole 3cm in diameter is to be punched out of a steel plate 8cm thick. The shear stress of the material is 670GPa. What load is
5 answers
asked by
Danny
5,215 views
A 10kg mass is supported by two strings of length 5 m and 7 m attached to two points in the ceiling 10 m apart. Find the tension
7 answers
asked by
Simba
7,284 views
An airplane's velocity with respect to the air is 580 miles per hour, and it is heading N 60 degrees W. The wind, at the
6 answers
asked by
Hannah
6,410 views
A 40 kg ball is pukled to one side until it is 1.5 above itd lowest point. What will be its velocity as it passes through its
5 answers
asked by
Merely
4,194 views
An object with mass 3.0 kg is attached to a spring with spring stiffness constant k = 300 N/m and is executing simple harmonic
7 answers
asked by
Nicole
16,843 views
A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle forward, the skier
4 answers
asked by
Brookeneed
6,965 views
A car slows down from 108 km/h to 90 km/h over the course of 4 s and 0.1 km. The force of the brakes was 1000 N. What is the
5 answers
asked by
Markous
2,708 views
a grasshopper jumps at an angle 50 degrees from the ground with an initial velocity of 5 m/s. when air resistance is absent,
5 answers
asked by
Clevy
2,131 views
A load of 4N extends a spring by 10mm. What load would extend it by 15mm?
5 answers
asked by
Luyando
737 views
a 3200-lb elevator cab is supported by a cable in which the maximum safe tension is 4000 lb. (a)what is the greatest upward
4 answers
asked by
esther
1,928 views
The mass of the roller coaster below is 80 kg. It starts from rest at a height of 30 m and reaches a speed of 20 m/s at point B.
4 answers
asked by
Heylee Green
1,010 views
a man 80kg carries a load of bricks of mass 20kg up a vertical ladder of length 6m what work has he done
7 answers
asked by
ISAAC
4,235 views
A box of mass m = 6kg slides with speed v = 4 m/s across a frictionless floor. It suddenly explodes into two pieces. One piece,
6 answers
asked by
Shahab Mirza
4,483 views
Suppose that an object is dropped from a height of h meters and hits the ground with a velocity of v meters per second. Then v=
6 answers
asked by
Bryan
13,391 views
A baseball is thrown upwards from a height of 2 meters with an initial velocity of 10 meters per second. Use the fact that -9.8
4 answers
asked by
Emily
8,178 views
1) When a pendulum 0.5m long swings back and forth, its angular displacement Ɵ from rest position, in radians is given by
5 answers
asked by
Hyde
3,805 views
A hydraulic plunger has a 12 cm diameter and a force of 350 kN acts on it. What is the pressure exerted on the plunger?
4 answers
asked by
jay
1,924 views
A toy rocket has a mass 0f 350g at launch. The force it produces is 15N and it is fired at an angle of 65° to the horizontal.
10 answers
asked by
Joseph
5,805 views
A 4.0 kg object is lifted 1.5 m. (a) how much work is done against the earth's gravity ? (b) repeat if the object is lowered
7 answers
asked by
jack
7,689 views
Wayne pulls a 305 N sled along a snowy path using a rope that makes a 45.0° angle with the ground. Wayne pulls with a force of
5 answers
asked by
Merlin
6,046 views
A cylindrical oil storage tank 12 feet in diameter and 17feet long is lying on its side. Suppose the tank is half full of oil
6 answers
asked by
Mishaka
5,176 views
Two masses are hung are connected by a light cord and hung from a frictionless pulley of negligible mad are shown. Mass
6 answers
asked by
Kam
8,046 views
A 1200 lb sleigh is pulled along a horizontal surface at uniform speed by means of a rope that makes an angle of 30 degrees
5 answers
asked by
Lian
3,933 views
A bowling ball rolls without slipping up a ramp that slopes upward at an angle (beta) to the horizontal. Treat the ball as a
4 answers
asked by
Joe
7,680 views
A block and tackle having a velocity ratio of 5 is used to raise a load of 400N through a distance of 10m. If the work done
6 answers
asked by
Michael Nyame
3,624 views
A non-rotating cylindrical disk of moment of inertia I is dropped onto an identical disk rotating at angular speed w. Assuming
5 answers
asked by
Aja
4,557 views
A flywheel of moment of inertia 0.32 kgm^2 is rotated steadily at 120rad/s by a 50 W electric motor. (i)find the kinetic energy
4 answers
asked by
Edwin
4,692 views
Abox of mass 60kg starts from the rest at height h and slides down a rough slope of length 10m, which makes an angle of 25
4 answers
asked by
Sphelele
2,881 views
The cannon on a pirate ships shoots cannon balls with a speed of 350 m/s (the muzzle velocity). The cannon can be adjusted to
7 answers
asked by
Tyger2020
2,971 views
Blocks A and B of weight 200N and 100N respectively, rest on a 30 inclined plane and are attached to the post which is held
4 answers
asked by
Kishore
3,258 views
A steel wire 40 m long is suspended between two fixed points 20 m apart.
A force of 375 N pulls the wire down at a point 15 m
4 answers
asked by
Alex
2,593 views
1. A spring bearing a 10-pound weight has stretched 0.5 inches. If you were to increase the weight to 15 pounds, how many inches
5 answers
asked by
John Gomez
4,441 views
There is a 100g mass sitting on the 10cm mark, and a 50g mass sitting on the 60cm mark. Force 𝐹 acts at the 30cm mark.
6 answers
asked by
Physics Student
4,063 views
A box weighing 100 newtons is pushed up an inclined plane that is 5 meters long. It takes a force of 75 newtons to push it to
7 answers
asked by
chris
6,421 views
A toy rocket has a mass of 350g at launch.the force it produces is 15N and it is fired at angle of 65⁰ to the horizontal.what
7 answers
asked by
Tesnim
1,098 views
A car with a mass of 1500kg starts from rest and accelerates to a speed of 18m/s in 12s. Assume that the force of resistance
5 answers
asked by
Anonymous
4,573 views
An elastic string of length 20cm extends to 24cm. When it supports a weight of 50N, the energy stored in the string is
5 answers
asked by
ayo
2,610 views
a light string 4 meters long is wrapped around a solid cylindrical spool with a radius of 0.075 m and a mass of .5 kg.a 5kg mass
5 answers
asked by
mariel
6,972 views
A 1250 kg car travelling at 60.0 km/h comes to a sudden stop in 35 m. What is the coefficient of friction acting on the brakes?
5 answers
asked by
John Appleseed
2,866 views
A uniform meter rule is balanced at 30cm mark when a mass of 50g is hanging from its zero mark. calculate the weight of the
5 answers
asked by
sidney
1,858 views
A ball of mass 500g is kicked into the air at angle of 45degree. It reaches a height of 12m. What was it's initial velocity?
7 answers
asked by
Sam
3,329 views
A spiral spring extends from length 10.01m to 10.00cm when a force of 20N is applied on it. Calculate the constant force
14 answers
asked by
lola
4,624 views
Each of the four wheels of a car push on the road with a force of 4.0*10^3 N [down]. The driving force on the car is 8.0*10^3 N
4 answers
asked by
Maggie
1,725 views
In its approach to an airport runway, an airplane of mass 1.24 x 10^5 kg has a velocity of 75.5 m/s [11.1 degrees below the
4 answers
asked by
Jordge
1,492 views
Ronald Johnson, who is 80.0 kg, is running at 4.00 m/s when he suddenly jumps onto a stationary playground merry-go-round at a
4 answers
asked by
J
901 views
A spiral spring of natural length of 20.0cm has a scale pan hanging freely on its lower end. When an object of mass 40g is
4 answers
asked by
Grace
2,237 views
STATE HOOKES LAW. WHAT IS THE FORCE REQUIRED TO PRODUCE AN EXTENSION OF 1CM. IF AN EXTENSION OF 8.0CM CAN BE PRODUCED BY A LOAD
3 answers
asked by
AMINAT
274 views
Given DIAGRAM 1.1 where FT means Tension and W means Weight, calculate the tension on the steel cable given the following
2 answers
asked anonymously
146 views
A student kicks a 2 kg soccer ball with a force of 50 N. Calculate the acceleration of the soccer ball. Please show your work.(2
1 answer
asked anonymously
85 views
Your bumper car is travelling at 2 m/s. The total mass of you and your car is 350 kg. An empty motionless bumper car with a mass
4 answers
asked by
anonymous
2,858 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (42)
Automotive
Automotive Services
Car Repair
Dynamics
Engineering
Engineering and Technology
Force
Forces
Forces and Motion
Game Design
Horseshoes
Kinetic Energy
Language Arts
Language/Communication
Math
Mathematics
MDA Framework
Motion
Physical Science
Physical Sciences
Physics
Physics and Astronomy
Physics and Engineering
Physics and Mathematics
Physics Education
Physics or Science
Physics/Energy and Forces
Physics/Engineering
Physics/Mathematics
Physics/Science
Professional Services
Relativity
Science
Science and Engineering
Science and Physics
Science and Technology
Science or Physics
Science/Engineering
Science/Physics
Statics
Technology
Work and Energy