A 60-kg crate is lowered from a loading dock to the floor using a rope passing over
Question:
A 60-kg crate is lowered from a loading dock to the floor using a rope passing over a fixed support. The rope exerts a constant upward force on the crate of 500 N.
a. Will the crate accelerate? Explain.
b. What are the magnitude and direction of the acceleration of the crate?
c. How long will it take for the crate to reach the floor if the height of the loading dock is 1.4 m above the floor?
d. How fast is the crate traveling when it hits the floor?
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a Force due to gravity acting in the downward direction on the crate is calculated as follows F g mg ...View the full answer
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Related Book For
Physics of Everyday Phenomena A conceptual Introduction to physics
ISBN: 978-0073512112
6th edition
Authors: W. Thomas Griffith, Juliet W. Brosing
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