Question

For what value of o is work done
(a) maximum, (b) Zero ?​

Answer 1

Answer:

a) Work done(W) = FsCosθ

where θ is the angle between Force(F) and displacement(s). Hence work done will be maximum when Cosθ is maximum, which is at θ = 0 and Cosθ = 1.

Hence work done is maximum when θ is at zero degree.

b) In physics, work done is actually always with the aspect of an external agent which is known to produce a force on some other entity. The work is stated as zero when there is no displacement of any given object along a line of force.

Answer 2

Answer:

I think option (b) zero is the right answer

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