Question

2. How is work done by a force measured when
the force :
(a) is in the direction of displacement.
(b) is at an angle to the direction of displacement.​

Answer 1

Explanation:

Force × Displacement of the point of application of the force in the direction of force. (ii) Work done by a force when the force is at an angle (θ) to the direction of displacement = Force × component of displacement in the direction of force.

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Answer 2

Explanation:

Work done=Force× displacement

let,

a) work done =10Nm

force= 2N

displacement= ?

work done= F×D

work done/F= D

10Nm/2N= D

Therefore,

Displacement= 5m

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