Physics, asked by lakshyaraj07, 6 months ago

Example 6.1 Find the angle between force
= (3i+4j-5k) unit and displacement
d = (51+4j+3k) unit. Also find the
projection of Fon d.

Answers

Answered by s136717621

0

F.d=Fdcosθ

⟹cosθ=FdF.d=5015+16+15=5046

⟹θ=cos−10.92

Projection of F on d is given by

dF.d

=52+42+3215+16+15

=5246

Explanation:

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