Workers exert a constant force of 812 N to roll a 188 kg crate up a 5.6 m long ramp sloped at 25°. The crate moves at constant speed up the ramp. Calculate: a. The work done by the workers. b. The gravitational potential energy the crate has been given when it gets to the top of the ramp. c. Explain the difference between the answers in parts a) and b)
Workers exert a constant force of 812 N to roll a 188 kg crate up a 5.6 m long ramp sloped at 25°. The crate moves at constant speed up the ramp. Calculate: a. The work done by the workers. b. The gravitational potential energy the crate has been given when it gets to the top of the ramp. c. Explain the difference between the answers in parts a) and b)
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 8.5OQ: Answer yes or no to each of the following questions. (a) Can an objectEarth system have kinetic...
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