The two bodies in contact are kept in equilibrium when additional forces (not sh

Question

The two bodies in contact are kept in equilibrium when additional forces (not shown) act on them.

For each of the three cases below, indicate whether the effect of the left body on the right could be represented by the loads shown.

Case A:

Could the effect of the left body on the right be represented by the loads shown? --Yes or No

Case B:

Could the effect of the left body on the right be represented by the loads shown? --Yes or No

Case C:

Could the effect of the left body on the right be represented by the loads shown? --Yes or No

Explanation / Answer

Case A : No. Effect can't be away from the contact surface.

Case B : Yes. When external for is applied on left body in rightward direction at the middle of the left body.

Case C : Yes, when there is torque. When the force is not applied at symmetric position.

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