how much work is done when a force of 15 N moves an object by 8 cm in the direction of applied force?
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Work = F x S x cos θ
=>θ is the angle between direction of force and direction of displacement.
∴ θ = 0 degrees (Force and displacement are in same direction)
S(displacement) = 8 cm => 8/100 m => 0.08 m
F = 15 N
W = 15 x 0.08 x cos 0 degrees (cos 0 = 1)
=> W = 1.2 x 1
=> W = 1.2 J
=>Work is 1.2 J .
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