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You push a boulder 6 meters across the yard with a force of 500 N ...

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You push a boulder 6 meters across the yard with a force of 500 N How much ... 5 meters across the floor with a force of 400 N How much work have you done?

Is work done if you push a box across a room - Answers.com

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You push a piano 5 meters across the floor with a force of 400 N How much work have ... If you push on a box but the box moves backward you have done work? ... You push a boulder 6 meters across the yard with a force of 500 N How much ...

Work and Energy Review - Printable Version - The Physics Classroom

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An upward force is applied to a bucket as it is carried 20 m across the yard. ... Power refers to how fast work is done upon an object. .... A 1-kg mass at a height of 1 meter has a potential energy of 1 Joule. ... A platform diver weighs 500 N. She steps off a diving board that is elevated to a height of 10 meters above the water.

Old Answers - Ask the Physicist!

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The gravitational potential energy represents the work done by the weight ... So, to lift the book you must exert a force upward of magnitude mg for a .... The question is what value N rated buoyancy would I need to "bob gently" in fresh water? ..... accelerate the mass to 2 meters per second requires an additional 6 joules.....

Energy of Moving Water - Switch

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If a force pushes the rock, ... Your parents may tell you to conserve energy. ... 6. Electricity is sent to a switchyard, where a transformer increases the ..... height of 10 meters has much greater force (voltage) than at a height ... water example, we could look at how much work could be done by ... 500 Wh x 1kW = 0.5 kWh.

Problem Solving Exercises in Physics - Myreaders.info

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5-1 Work and Power. 63 ... Force. 81. 6-2 Torque. 87. 6-3 Moment of Inertia and. Angular Momentum. 91 ... Studying physics is exciting because it can help you answer many questions ... After trying a few exercises, you will have started to develop a .... The SI unit for both speed and velocity is the meter per second (m/s) .

Final Exam with Answers - How Things Work

rabi.phys.virginia.edu/1050/1996/final_exam_answers.html

Dec 9, 1996 ... If someone were to examine the air that you have left behind you after ... Problem 6: ... If the tension in that shoelace is 10 N, how much total force is the ... (A) converts the work you do in sliding your hands across one ... To make the boulder rock farther and farther, you should only push it forward when it's.

A man drags a table 4.25 m across the floor, exerting a

www.jiskha.com/search/index.cgi?query=A man drags a table 4.25 m across the floor, exerting a constant force of 54.0 N, directed 28.0� above the horizontal. I have found the work done by the applied force to be 202.6

I have found the work done by the applied force to be 202.6 ... Sally applies a horizontal force of 500 N with a rope to dtag a wooden crate across a floor with ... A 15 N wooden block is dragged for 15 meters across a wooden floor in 15 seconds. ..... of the applied force 16)You are pushing a 55N lawnmower across the yard.

A boy is pushing a lawn mower with a force of 200N.The force

www.jiskha.com/search/index.cgi?query=A boy is pushing a lawn mower with a force of 200N.The force makes an angle of 20� with hprizontal . 1. determine the force applied to move the lawn mower forward 2. Maximum height

0.030 hp 6. ... How much work is done on a lawn mower pulled 3.4 m by a force of 54 N at an ... 300n, if you push the mower a distance of 500m, how much work do you do? ... of the applied force 16)You are pushing a 55N lawnmower across the yard. .... A 300 kg boulder is dragged 8 m across level ground with a chain that ...

A ball slowing down as it rolls across a carpet is an example

www.jiskha.com/search/index.cgi?query=A ball slowing down as it rolls across a carpet is an example of A. Balances force. B. Friction C. Interia D. Zero net force Is the answer B?

You push your couch a distance of 3.8 m across the living room floor with a ... force of friction is 136.0 N. What is the work done by you, by the friction force, ... The carpet has a coefficient of static friction of 0.62 and a coefficient of kinetic friction of 0.54. .... A 300 kg boulder is dragged 8 m across level ground with a cha...

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You push a piano 5 meters across the floor with a force of 400 N How

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You push a boulder 6 meters across the yard with a force of 500 N How much ... is then lifted up 6 meters and placed on a shelf How much total work was done?

Work Done against Gravity - CPO Science

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bottle has a mass of 2.02 kilograms, how much work did you do against gravity? 1. .... A force of 100 newtons is used to move an object a distance of 15 meters with a ... If the total work output for the machine is 18 newton-meters (N- .... A lever with an output arm of 0.8 meter has a mechanical advantage of 6. ... 500 newtons.

Mechanical Energy - Physics

physics.weber.edu

object is the amount of force that you must exert to hold the object up, .... great height, can have just as much gravitational energy as a larger mass lifted to.