A block kept at rest on a horizontal table is pushed by two horizontal forces, one towards west and the other towards east, and that are equal in magnitude. What can be said about the block?

It will move westward.

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It will move eastward.

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It will remain stationary.

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It will move upward.

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Solution

The correct option is C It will remain stationary.
As two equal forces have been acting on the block in opposite directions, the resultant (net) force will be zero. Since there is no net force on the block, the state of motion of the block will not change.

As the block has been at rest on the table, it will continue to be at rest, i.e. it will remain stationary.

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