What should the angle between force and displacement be to get the maximum work?

90⁰

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0⁰

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180⁰

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270⁰

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Solution

The correct option is B
0⁰

If displacement is parallel to the direction of force, then θ = 0°, and hence W = F.s.cos 0° = F .s. 1 = F .s

In such a case work done is said to be maximum.

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Similar questions

What should be the angle between force and displacement be to get the

1 minimum work

2 maximum work

A force F acts on a body and displaces it by a distance S in a direction at an angle $θ$ with the direction of force.

(a) Write the expression for the work done by the force.

(b) What should be the angle between the force and displacement to get (i) zero, (ii) maximum, work?

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