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AIPMT PRELIMS2000Physics-Work, Energy and Power

AIPMT PRELIMS 2000 Physics Power MCQ Question

Type: MCQ-numerical-Medium-Class 11

If F̅ = (60 î + 15 ĵ − 3 k̂ ) N and V̅ = (2 î − 4 ĵ + 5 k̂ ) m/s, then instantaneous power is :

A

195 watt

B

45 watt

C

75 watt

D

100 watt

Correct Answer

Option B

Detailed Explanation

Instantaneous power is calculated using the dot product of force and velocity vectors: P = F̅ · V̅.

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