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August 25, 2016

Search: physics-newton's laws

Number of results: 69,721

physics
6)Which of Newton's laws would best explain what causes a basketball to bounce? Third 7)Which of Newton's laws would best explain the whiplash caused by being rear-ended in a car accident? First
March 31, 2008 by Jon

Science
How can we use Kepler's laws or Newton's laws to learn about these objects?
July 26, 2012 by David

Physics
Summarize two observations that are contrary to the predictions based on Newton’s laws but that confirm Einstein’s explanation of gravity. Indicate how the predictions based on Newton’s theory differ from Einstein’s.
January 11, 2012 by Pat

URGENT! PLEASE HELP QUICK PHYSICS
Summarize two observations that are contrary to the predictions based on Newton’s laws but that confirm Einstein’s explanation of gravity. Indicate how the predictions based on Newton’s theory differ from Einstein’s.
January 15, 2014 by Anon

Physics-Newton's Law
Hi-I have a question-we're studying Newton's Laws and my question is: If I have a constant, non-zero force, how does the accleration change as the mass is changed. I think it changes proportionally-yes, or no but I'm not sure why except to say that's the law
October 10, 2010 by Juliette

physics
What is the difference between the second and third Newton’s Laws?
March 8, 2011 by Nazgul

physics
at what angle must the two forces of 50 newton and 120 newton be acting so as to balanced by a force of 130 newton?
May 22, 2012 by anupriya

Physics
Why can you exert a greater force on the pedals of a bike if you pull up on the handlebars? Does it have anything to do with one of Newton's 3 laws? I'm not sure how to approach this question.
August 4, 2014 by Anonymous

physics
Explain how Newton developed a theory to explain why the planets moved according to Kepler’s laws of planetary motion.
December 21, 2013 by Hope Grey

Anthropologhy
Sumptuary laws are: (Points : 1) property laws. marriage laws. religious laws. civil laws.
April 7, 2013 by Tawnya

Physics
Use the work-energy theorem to solve each of these problems. You can use Newton's laws to check your answers. Neglect air resistance in all cases.
April 19, 2016 by Bout

science
how does newton's laws apply to a toothpicks bridge
March 14, 2010 by lea

science
I need help doing examples for newton's 3 laws of motion....can you help me?
February 23, 2011 by joe

Physics
An electron is accelerated by a uniform electric field (1000 V/m) pointing vertically upward. use newton's laws to determine the electron's velocity after it moves .10 cm
April 25, 2010 by Standard C.

Physics Newton law
A 10O0Kg elevator is hoisted upward from rest by a cable. In the first two seconds there is an 1100N tension force in the cable hoisting the elevator. What is the speed after two seconds and how far has it travelled ? Get the acceleration first. Tension=mg + m*acceleration. ...
November 5, 2006 by harry

SCIENCE
For my science project i have to choose a sport and list five carefully thoughtout ways that Newton's three Laws of Motion are involed in the game i selected. The sport i have selected is tennis. i have 3 ways already but i am missing 2 more. Here are the 3 ways i have already...
November 11, 2007 by Anonymous

Physics
Understanding Newton's First and Second Laws, why do all objets near Earth accelerate at a constant rate "g"? I'm very confused, is it something about how inertia keeps the objects accelerating? Please help , thank you.
November 3, 2008 by Gerrad

sience
whats the laws of newton's first law of motion?
October 3, 2007 by naijah

science
need help with an essay about Isaac Newton and his 3 laws.
May 13, 2008 by tegz

science
I need help with an explanation about Isaac Newton and his three laws.
May 20, 2008 by tegz93

Biology
Is there a mathematical way of writing Newton's three laws of motion
August 15, 2009 by kt

physics
Using your knowledge of the concept of inertia and Newton’s three laws of motion, recount what happens to: a) cars and b) passenger from the moment the car starts to slow down until it is brought to rest by a collision with a solid object.
June 25, 2011 by kashish khatri

physics
A uniform bar 25 meters long weighs 10,000 Newton's. From end A weight of 2500 Newton's is hung. At B the other end of the bar, there is a weight of 3500 Newton's. An upward force of 3000 Newton's is exerted 4 meters from B, while and upward force of 4000 Newton's is exerted 8...
July 8, 2015 by G

science
How are Newton’s second and third laws of motion important to your everyday life?
October 24, 2014 by jared

Science
How are Newton’s second and third laws of motion important to your everyday life?
January 23, 2015 by TINA

physics
Newton was holding an apple of mass 120 g and thinking about the gravitational forces exerted on the apple by himself and by the Sun. Calculate the magnitude of the gravitational force acting on the apple due to Newton, the Sun, and the Earth, assuming that the distance from ...
October 30, 2011 by mymi

Physics
A force (in this case, water) is applied to a waterwheel that turns and lifts a small weight that is attached to a string that is attached to the waterwheel's axle. How do Newton's 3 laws of motion describe this event?
April 5, 2013 by Pat

Physics. Interesting group question
Does Newton's laws apply on earth even though we are constantly accelerating? I thought it would be true because it would apply to the uniform circular motion wouldn't it?
October 2, 2015 by Alessandra

Physics
Do Newton's Law apply to motion inside your car? A.Yes, but only when at rest. B.Yes, but only when traveling at constant velocity or at rest. C.No, never. D.Yes, always. So I tried answering the question with D at first because I was thinking that it is a car in motion so ...
July 8, 2014 by Sophie

Physics
Hi-I have a question-we're studying Newton's Laws and my question is: If I have a constant, non-zero force, how does the accleration change as the mass is changed. I think it changes proportionally-yes, or no but I'm not sure why except to say that's the law Thank you
October 10, 2010 by Juliette

physics (Newton's Laws)
Please help, A cat is stuck in a tree. You are designated with the job to get it out, yet you do not want to climb the tree, because you may get stuck as well. Instead you set up a pulley system. A rope (consider it massless) runs from the seat you sit on over an ideal pulley...
March 17, 2013 by Kathy

Government Check
What was the name of the discriminatory laws enacted in response to the 13th, 14th and 15th Amendments? a)Separate but Equal Laws *b)Jim Crow Laws c)Dred Scott Laws
July 4, 2010 by Ariel

World History
What was the significance of the Code of Hammurabi? The laws were developed from an ancient Sumerian code of laws. The laws were displayed throughout the empire for all to see. The laws guaranteed many freedoms for ordinary citizens. The laws guaranteed equality between the ...
September 17, 2014 by Sara

technology
Need help on the question below. I have read all about all 3 laws but still don't understand if this would be 1st or 2nd law. "A ball is rolling in a straight line on a hardwood floor. A cat hits it from the right, so the ball rolls left. Which Law of Motion is this? a. Netwon...
March 14, 2014 by Brandi

Physics
An astronaut is at rest 1.0 m away from his shuttle when his jet malfunctions and his hand-held radio dies. unable to reach his shuttle to return to safety, a) what can the astronaut do to get himself back to his ship? b) Which of Newton's three laws would this demonstrate?
November 20, 2013 by JR

Physics -movies
There are many Hollywood movies which show a hero or villian running, jumping, or riding a motorcycle through big plate glass windows without apparent injury. Why is this an incredible violation of Newton's laws? i can't think of really anything that makes sense...
December 5, 2012 by Maggie

physics (Newton's Laws)
If an acrobat who weighs 800 N is clinging to a vertical pole using only his hands, neither moving up nor down, can we determine the coefficient of static friction between his hands and the pole? Explain your answer. Please, help. Thank you
March 13, 2013 by Kathy

physics
An astronaut was working on the exterior of her spaceship tightening a bolt with her wrench. The astronaut and a spaceship both experience weightlessness and become separated from each other. Suggest a way in which the astronaut can use her knowledge of Newton's Laws to get ...
October 17, 2015 by Mike

Science 8
How are Newton’s second and third laws of motion important to your everyday life? Please help me! I've looked everywhere and I can't seem to find an answer.
October 8, 2014 by Aria

physics-newton's laws
an aeroplane is flying in a horizontal circle with airspeed of 480 km/h. The wings of the plane are tilted at 40 degrees to the horizontal. What is the radius of the circle and how long does it take the plane to complete one full circle?
October 12, 2010 by mani

science/Newton's third law
if you kick a 5kg ball with one Newton it would push back on you with one Newton is this true???
June 4, 2011 by who wants 2 no?

6th grade science
What are Newton's three laws on motion in sixth grade lingo?
February 22, 2011 by Marsha

Physics
(10 points) 3. Use your data from Part 3 and Newton’s laws to explain why the force meter measures a force if the cart is moving at a constant velocity. The forces acting on the cart are the applied force (FA), the force of friction (Ff), weight (Fg) and the normal force (FN...
October 29, 2010 by Margaret Yeager

physics
An object is acted by 3 coplanar forces:30 newton to the north, 20 in the direction S20degrees E and 25 newton in a direction W20degrees S.Find the resultant
April 5, 2011 by Jas

Physichal Science
In my homework it asks me this: Use the letters below to answer this question: What is the FORCE behind Newton's laws? The letters are p s l o p r u u l h
September 25, 2008 by Jon

physics
The finding that light in free space has one speed, and one speed only, is consistent with ____________________. A) the conservation of energy as shown by Maxwell.B) general relativity.C) Newton's laws of motion.D) electromagnetic induction. My book tells me it is A and D but ...
April 28, 2012 by Kristie

Social Studies
3. How long is the term of a senator? 2 years 4 years 6 years****** Life 4. What is the core function of the executor branch? To make laws To interpret laws To carry out laws To declare laws unconstitutional********
December 4, 2015 by The Specters

Social Studies
Okay! I don't know the correct terminology for what I call MINI-LAWS. MINI-LAWS are laws added on to one big law. Example: Math has to make up 1/3rd of all lessons taught. MINI-LAWS would include...grades 3-12, college exempt. So can you tell me what the correct terminology ...
July 22, 2008 by Minerva

PHYSICS!
an object weighs 528.0 Newton. It is being pushed along a horizontal surface by a 475.0-Newton force. Determine the mass of the object in a numerical form.
October 31, 2012 by Michael

science
Motion and newton's laws. able to calculate acceleration rates. Distinguish Between speed and velocity. And why velocity is important. Help me please I'm not understanding this. Thank you
January 24, 2012 by glenn help help help

sociology
Which of the following examples best demonstrates to most people that ethical progress has taken place over the past 200 years? (Points : 1) Laws that prohibit discrimination based on race Laws that have increased speed limits Laws that prevented women from voting Laws that ...
February 21, 2015 by Bryan Alvarez

ethics
Which of the following examples best demonstrates to most people that ethical progress has taken place over the past 200 years? (Points : 1) Laws that prohibit discrimination based on race Laws that have increased speed limits Laws that prevented women from voting Laws that ...
July 20, 2015 by Anonymous

physics
Legned has it that Isacc Newton was hit on the head by a falling apple, thus triggering his thoughts on gravity. Assuming the story is to be true, estimate the speed of the apple when it struck Newton.
November 22, 2011 by taylor

physics
Legend has it that Isacc Newton was hit on the head by a falling apple, thus triggering his thoughts on gravity. Assuming the story is to be true, estimate the speed of the apple when it struck Newton.
November 22, 2011 by taylor

soc 120
Which of the following examples best demonstrates to most people that ethical progress has taken place over the past 200 years? (Points : 1) Laws that prohibit discrimination based on race Laws that have increased speed limits Laws that prevented women from voting Laws that ...
March 1, 2015 by Anonymous

Physics
Suppose you viewed a movie that was running backwards. You would see lots of odd things happen: streams would flow uphill, a diver would emerge upwards and go back to the diving board etc. If these backward moving events actually happened in nature, which principle or ...
February 20, 2009 by Kate

Managerial Economics
Some states have had laws restricting the ssale of most goods on Sunday. Consumers, by and large, oppose such laws because they find Sundat afternoon a convenient time to shop. Paradoxically, retail trade associations frequently support the laws. Discuss the reasons for ...
June 18, 2008 by Dee

science
Newton applied his laws of motion to the problem of the motions of the planets. He assumed that it was gravity that held them in their orbits, true false Just need to know if my answer or right or wrong. Thanks! :) true
August 17, 2010 by ant

science
Newton applied his laws of motion to the problem of the motions of the planets. He assumed that it was gravity that held them in their orbits, true false Just need to know if my answer or right or wrong. Thanks! :) true
August 18, 2010 by ant

English
Albert Einstein (1879-1955) He is an American physicist. He reported "General Theory of Relativity" in 1916. He won a Novel Prize in 1921. Issac Newton(1642-1727) He discovered "the Law of Universal Gravitation" and "the Three Laws of Motion" - laws of inertia, action and ...
August 11, 2009 by John

science
Which of Newton’s laws says that a net force acting on an object causes the object to accelerate in the direction of the force?
October 24, 2007 by jorge

Laws of Motion
A student stands on a scale in an elevator that is accelerating at 2.8m/s^2. If the student has a mass of 94 kg, to the nearest newton what is the scale reading?
February 27, 2011 by James

Economics
Some states have had laws restricting the sale of most goods on Sunday. Consumers, by and large, oppose such laws because they find Sunday afternoon a convenient time to shop. Paradoxically, retail trade associations frequently support the laws. Discuss the reasons for ...
July 15, 2013 by Eric

physics
Q2. A box rests on the (frictionless) bed of a truck. The truck driver starts the truck and accelerates forward. The box immediately starts to slide toward the rear of the truck. Discuss the motion of the box, in terms of Newton’s laws, as seen (a) by Mary standing on the ...
November 14, 2007 by beckii

physical science
which of newton's laws (1, 2, or 3)are used in the following: 1) spaceship reaches the speed for orbit around the earth, 2) pushing the shuttle forward in space 3) the force needed to escape earth's atmosphere
December 31, 2010 by anonymous

Check my answer for 1 history question?
11. In 1935, Hitler and Germany enacted laws which denied German citizenship to Jews, banned marriage between Jews and non-Jews, and segregated Jews at every level of Society. What were these laws called? a. The Nuremberg Laws b. The Anti-Jewish Laws c. The Berlin Plan ******
March 29, 2016 by Anonymous

physics
An athlete whose mass is 94.0 is performing weight-lifting exercises. Starting from the rest position, he lifts, with constant acceleration, a barbell that weighs 600 . He lifts the barbell a distance of 0.50 in a time of 2.2 . Part A Use Newton's laws to find the total force ...
November 9, 2012 by Anonymous

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 38.0 directed at an angle of 41.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
September 23, 2009 by Mary

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 38.0 directed at an angle of 41.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
September 23, 2009 by Mary

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 38.0 directed at an angle of 41.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
September 23, 2009 by Mary

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 38.0 directed at an angle of 41.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
September 23, 2009 by Mary

Physics
A chair of weight 85.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 44.0 N directed at an angle of 42.0 degrees below the horizontal and the chair slides along the floor. Using Newton's laws, calculate n, the ...
October 13, 2009 by Anonymous

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 36.0 directed at an angle of 40.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
December 14, 2009 by jj

physics
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 36.0 directed at an angle of 40.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the normal ...
December 14, 2009 by jj

Physics
A chair of weight 85.0N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 45.0N directed at an angle of 34.0∘ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate n, the magnitude ...
November 20, 2014 by omar

Ethics
HIPAA, GLB, and COPPA laws can help ensure people's privacy. What is their ethical justification? Is there gray area in these laws? How do some businesses try to find their way around these laws
May 24, 2013 by David

Physical Science
The static frictional between a 500 kilogram box of bricks and the floor is 500 Newton’s. The kinetic frictional force in only 220 Newton’s. How many Newton’s of force must a worker exert to get the moving?
September 26, 2012 by Tala

Physics
A chair of weight 75.0N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 45.0N directed at an angle of 40.0¡ã below the horizontal and the chair slides along the floor. Using Newton's laws, calculate n, the magnitude of the...
March 3, 2015 by Boxiang

ethics question
how HIPAA, GLB, and COPPA laws can help ensure people's privacy. What is their ethical justification? Is there gray area in these laws? How do some businesses try to find their way around these laws?
November 7, 2010 by Anonymous

Physics
i saw this question from physics book, can someone please help me solve this.. thank you.. A man pulls a 500 Newton block up a plane inclined 300 with the horizontal with a force of 300 Newton parallel to the plane. What net force tends to pull the block up the plane?
October 9, 2010 by May

political science
Which of the following is NOT a component of judicial review? The supremacy of local laws when they conflict with national laws or treaties. The power of the courts to declare national laws invalid if they violate the Constitution The supremacy of national laws or treaties ...
May 1, 2016 by ryan

physics
A chair of weight 100N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.0N directed at an angle of 35.0^\circ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate n, the magnitude of ...
October 22, 2012 by souleymane

physics
A chair of weight 100N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.0N directed at an angle of 35.0^\circ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate n, the magnitude of ...
October 22, 2012 by souleymane

physics
a man having a mass of 60 kg exerts a horizontal force of 200 newton in pushing a 90 kg object a distance of 60 meters along horizontal floor. he does this at constant velocity in 3 seconds.the weight of this man is[in newton,taking g =10m/s square]
December 28, 2014 by komal yaseen

Astronomy
The speed of light is the same for all observers, and the laws of physics are the same for all observers in uniform motion. These two statements are fundamental postulates of A) general relativity B) Newtons laws of motion C) special relativity D) the laws of electricity and ...
March 28, 2010 by Anonymous

language arts
Having trouble deciding on a review question between and or but. The sentence says, "Newton's ideas about motion are called laws, (and, but) Einstein's idea about relativity is called a theory." Thanks.
April 10, 2012 by Brandi

Physics- Newton's Laws in Space
Hi! I would really appreciate it if you could help me think through these questions discussing Newton's Laws in Space... Directions: Consider the following scenarios ignoring the effects of gravity: 1. You are the capitan of a spacecraft traveling in the far reaches of outer ...
December 2, 2006 by Sophie

physics
Newton assumed that a gravitational force acts directly between Earth and the Moon. How does Einstein's view of the attractive force between the two bodies differ from Newton's view?
January 16, 2010 by kendra

Physics
A cell phone, when weighed in air has a weight of 5.5 newton. When completely immersed in water, however, it has a weight of 3.3 newton. Find the volume of the cell phone.
March 18, 2012 by Loiso

Physics
how are the fundamental laws and principles of physics related to the complexity that we see in nature? 2) How do the laws of physics apply to other sciences such ad biology, chemistry, and earth science? Give a specific example to show the connection - is it because there ...
September 13, 2015 by anonymous

physics
Choose one of the Laws of Thermodynamics (zeroth, first, second, or third) and give a brief summary of its development. Who is credited with "discovering" it and when? How did the four laws come to be ordered as they are? Please explain in detail
April 14, 2015 by liz

Calculus
Can someone check my answer? The change in the momentum of an object (Δ p) is given by the force, F, acting on the object multiplied by the time interval that the force was acting: Δ p = F Δt . If the force (in newtons) acting on a particular object is given by ...
May 5, 2014 by Samantha

Physics
A box is sliding up an incline that makes an angle of 15.0 degrees with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.180. The initial speed of the box and the surface of the incline is 1.50 m/s. How far does...
December 8, 2012 by Matoro

Physical Science
at a speed of 30 mi/hr, the car crashes head on into a brick wall. despite the fact that the car crunched to a total stop, one of NEWTON'S laws predicts that you will continue to fly forward at 30 mi/hr until you collide with the windshield or dash. WHICH LAW?
September 18, 2014 by Belle

math
A fulcrum of a lever (which is placed horizontally) is placed 8 meters from a force of 28 Newton and another force of 14 Newton is placed on the opposite side from the fulcrum. Determine the distance between the forces of 14 Newton from the fulcrum in order to achieve ...
June 24, 2016 by Honey

math
A fulcrum of a lever (which is placed horizontally) is placed 8 meters from a force of 28 Newton and another force of 14 Newton is placed on the opposite side from the fulcrum. Determine the distance between the forces of 14 Newton from the fulcrum in order to achieve ...
June 27, 2016 by Honey

Science
Describe circular motion. Which of Newton's laws helped you describe circular motion Plz I need help fast, thx!!
December 15, 2015 by Zach

Science - Newton
How did Isaac Newton affect the Heliocentric Theory?
October 28, 2013 by Chipe Martinez

Physics - Newton's Law of universal gravitation
Describe how Newton used each of the following phenomena to support the law of universal gravitation a) the orbit of the moon b) kepler's third law
August 22, 2010 by Shaila

Physics-Please check my explanation-I need to know
Posted by Juliette on Sunday, October 10, 2010 at 4:58pm. Hi-I have a question-we're studying Newton's Laws and my question is: If I have a constant, non-zero force, how does the accleration change as the mass is changed. I think it changes proportionally-because the formula F...
October 10, 2010 by Juliette

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