An object rest. on a horizontal fricitionless surface. A horizontal force of magnitude F is applied. ' force produces an acceleration:

only if F is larger than the weight of the object

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only while the object suddenly changes from rest to motion

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always

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only if the inertia of the object decreases

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Solution

The correct option is C always
An object rest. on a horizontal frictionless surface. A horizontal force of magnitude F is applied. ' force produces an acceleration always. As in this case we have no friction force or any other force opposition to the applied force hence we have a motion of in the direction of motion.

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