Question

50 POINT QUESTION!!!

The diagram (given in comments) shows a heavy roller with its axle at o, which is to be raised on pavement XY. If there is friction between the roller and the pavement, show the
- point of application of force
-direction of application

Answer 1

Hey there.

Your answer is -

τ∝r

To get maximum torque and keeping force minimum, r should be maximum

Force F should be provided in the direction as shown in the diagram.

Answer 2

Answer:

See here's your answer

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