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Eamcet Physics
1 st Year : Unit 4.1( Work-Power And Energy ) - Work-Power And Energy

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A small block of mass 'm' is kept on a rough inclined surface of inclination θ fixed in an elevator. The elevator goes up with a uniform velocity V and the block does not slide on the wedge. The work done by the force of friction on the block in a time 't' will be

A. zero

B. mgvt cos²θ

C. mgvt sin²θ

D. mgvt sin²θ

E. None of the above

View Answer

Correct choice: A

Explanation:

None

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Eamcet Physics 1 st Year : Unit 4.1( Work-Power And Energy ) - Work-Power And Energy

Eamcet Physics
1 st Year : Unit 4.1( Work-Power And Energy ) - Work-Power And Energy