b)How much force is required to displace an object by 10 m in
the direction of applied force, if work done by the force is
800 J ?
Answers
Answered by
8
We know,
W = F • s
⇒ F = W/s
Displacement = 10 m
Work done = 800 J
∵ F = W/s
⇒ F = (800 J)/(10 m)
⇒ F = (800 Nm)/(10 m)
⇒ F = 80 N (answer).
More:-
ZERO/NEGATIVE/POSITIVE WORK:-
- If angle between force and displacement = 0°, then positive work is done.
- If angle between force and displacement = 90°, then work is zero.
- If angle between force and displacement = 180°, then work is negative.
Anonymous:
Hope it works
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