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Physics / Physics with MasteringPhysics 4 / Chapter 7 / Problem 12P

Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker

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A 51-kg packing crate is pulled with constant speed across

Chapter 7, Problem 12P

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QUESTION:

Problem 12P

A 51-kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 43.5° above the horizontal. If the tension in the rope is 115 N, how much work is done on the crate to move it 8.0 m?

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QUESTION:

Problem 12P

A 51-kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 43.5° above the horizontal. If the tension in the rope is 115 N, how much work is done on the crate to move it 8.0 m?

ANSWER:

Step 1 of 2:

In this question, we need to find work done in moving crate

Mass of crate $m=51\ kg$

Angle with rough floor $\theta{}=43.{5}^{0}$

Tension of the rope $F=115\ N$

Distance moved by crate $x=8.0\ m$

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