A force F = -i + 2j + 3k N acts on a body displaced by 4k m. What is the angle between them? - WORK, ENERGY, AND POWER Quiz | GKFix.in

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Question

A force F = -i + 2j + 3k N acts on a body displaced by 4k m. What is the angle between them?

A. 0°
B. 90°
C. cos⁻¹(3/√14)
D. cos⁻¹(1/√14)

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