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. A 1100-N crate rests on the floor. Part A How much work is required to move it

ID: 1537669 • Letter: #

Question

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A 1100-N crate rests on the floor.

Part A

How much work is required to move it at constant speed 5.0 m along the floor against a friction force of 250 N .

Express your answer to two significant figures and include the appropriate units.

Part B

How much work is required to move it at constant speed 5.0 m vertically.

Express your answer to two significant figures and include the appropriate units.

.

A 1100-N crate rests on the floor.

Part A

How much work is required to move it at constant speed 5.0 m along the floor against a friction force of 250 N .

Express your answer to two significant figures and include the appropriate units.

Part B

How much work is required to move it at constant speed 5.0 m vertically.

Express your answer to two significant figures and include the appropriate units.

WP = WP =

Explanation / Answer

1) w tot = f*s+w*scos90 = fs

w = 250*5 = 1250 J

2) w = fscos90+w*s cos0 = w*s = 1100*5 = 5500J