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Block on a Block Problems

Two blocks, A...

Question

Two blocks, A and B, that have different masses are kept on a frictionless surface and are just tapped in the forward direction. Which of the following is correct about them?

A

Only block A will move.

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B

Only block B will move.

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C

Both the blocks will move.

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D

None of the blocks will move.

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Solution

The correct option is C Both the blocks will move.

As the surface is frictionless, there is no friction acting between the surfaces.

Therefore, both the blocks will start to move as soon as they are tapped.

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