Question

A block of mass m is pulled on a rough horizontal surface which has a friction coefficient μ. A horizontal force F is applied which is capable of moving the body uniformly with speed v. The work done on the block in time t by the weight of the block is: A. zero B. -μmgvt C. μmgvt D. mgvt

Name: a block of mass m is pulled on a rough horizontal surface which has a friction coefficient mu a horizontal force f is applied which is capable of moving the body uniformly with speed v the w 86768
Uploaded: 2023-01-11T19:11:24-08:00
Duration: 1 min 32 s
Channel: Prabhu Ramji
Description: a block of mass m is pulled on a rough horizontal surface which has a friction coefficient mu a horizontal force f is applied which is capable of moving the body uniformly with speed v the w 86768

          A block of mass m is pulled on a rough horizontal surface which has a friction coefficient μ. A horizontal force F is applied which is capable of moving the body uniformly with speed v. The work done on the block in time t by the weight of the block is:

A. zero
B. -μmgvt
C. μmgvt
D. mgvt

Added by Yolanda H.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Prabhu Ramji

01/11/2023

Step 1

The forces are: - The gravitational force (weight) \( mg \) acting downward. - The normal force \( N \) acting upward. - The applied horizontal force \( F \). - The frictional force \( f \) acting opposite to the direction of motion. Show more…

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A block of mass m is pulled on a rough horizontal surface which has a friction coefficient μ. A horizontal force F is applied which is capable of moving the body uniformly with speed v. The work done on the block in time t by the weight of the block is: A. zero B. -μmgvt C. μmgvt D. mgvt