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College Physics
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ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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
Transcribed Image Text:5. A 50- N force directed at an angle of 37° above the horizontal is used to move
a 15-kg crate along a horizontal surface at constant velocity. How much work
is done by this force in moving the crate a distance of 25 m?
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- A 2 kg object initially at rest is pushed along a frictionless surface by a constant force of 10 N for a distance of 5 meters. Calculate the work done on the object and its resulting final velocity.arrow_forwardA 60 Nt force is exerted on a 5 kg box at an angle of 60° above the horizontal. (a) What is the work done by the 60 Nt force on the box if the box moves a distance of 2 m across the floor? (b) What is the work done by the normal force?: (c) If the box moves at a constant speed, what is the work done by friction on the box?: (d) What is the work done by gravity on the box? (e) What is the total work done by all of the forces on the box?arrow_forwardA force of magnitude 25.0N directed at an angle of 35.0° above the horizontal moves a 16.0kg crate along a horizontal surface at a constant velocity. How much work is done by this force in moving the crate a distance of 14.0m?arrow_forward
- A person pulls a 10 kg luggage along a level road for 5 m by exerting a force of 20 N at an angle of 30° with the horizontal shoulder through a vertical distance of 1.5 m and carries it for another 5 m. How much work does he do in taking the luggage on his shoulder?arrow_forwardThe figure gives the acceleration of a 5.0 kg particle as an applied force moves it from rest along an x axis from x-0 tox-9.0 m. The scale of the figure's vertical axis is set by a,- 6.0 m/s². How much work has the force done on the particle when the particle reaches (a) x-4.0 m, (b)x - 7.0 m, and (c) x-9.0 m? What is the particle's speed and direction (give positive answer if the particle moves along x axis in positive direction and negative otherwise) of travel when it reaches (d) x - 4.0 m, (e) x - 7.0 m, and (f)x - 9.0 m? (a) Number i (b) Number i (c) Number i (d) Number i (e) Number i (f) Number i (₂8/) v Units Units Units Units Units Units 2 x (m) < <arrow_forwardA wagon is pulled along level ground by exerting a force of 26 pounds on a handle that makes an angle of 30 degrees with the horizontal. How much work is done in foot-pounds pulling the wagon 60 feet?arrow_forward
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