Question

If F = 3i+4j+5k and S = 6i+2j+5k, find the work done by the force.

Answer 1

Explanation:

Given that

F = 3i + 4j + 5k

S = 6i + 2j + 5k

From Work equation

W = F × S

W = (3i + 4j + 5k) × ( 6i + 2j + 5k )

W = 18i + 8j + 25k

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