Question

Write the condition for maximum and minimum work done​

Answer 1

Explanation:

If the applied force is in one direction and the displacement of the body is in the opposite direction, then work done is minimum as COS 180 is equal to minus one. This is the minimum possible work done and work done is maximum when force and displacement are in the same direction.

Answer 2

Answer:

1. maximum :- The conditions for maximum work are as follow: All the changes taking place in the system during the process are reversible. All the changes taking place in the system during the process should take place in infinitesimally small infinite steps.
2. minimum :- When the body is pushed over smooth rollers, work done by friction and gravity both are zero. Thus, minimum work done. ( or )

Work done is minimum when the Force and Displacement are perpendicular to each other.

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