NEETPhysics-Work, Energy and Power

NEET Physics Work Done by a Force MCQ Question

Type: MCQ-numerical-Medium-Class 11

A particle acted upon by constant forces 4î + ĵ − 3k̂ and 3î + ĵ − k̂ is displaced from the point î + 2ĵ + k̂ to point 5î + 4ĵ + k̂. The total work done by the forces in SI unit is

A

20

B

40

C

30

D

50

Correct Answer

Option A

Detailed Explanation

The work done is the dot product of the net force and displacement vector. Calculating gives 20 J.

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