SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It has no effect
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It pushes back against the hammer
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Its increases the acceleration of the hammer
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It has no effect on the hammer, but moves the nail
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Detailed explanation-1: -Q. A hammer striking a nail drives it into a surface. What effect does the nail have on the hammer? It has no effect.
Detailed explanation-2: -The hammer acts on the nail, driving it into the wood. The nail acts on the hammer, pushing back on the head of the hammer with a reaction that can be felt by the hand holding the hammer. However, typically the hammer is much more massive and is not pushed back very far by the nail.
Detailed explanation-3: -Remember, Newton’s Third Law of Motion says that whenever one object exerts a force on another object, the second object exerts an equal and opposite force on the first object.
Detailed explanation-4: -mutual action true a mutual action between one thing and another The hammer exerts a force on the nail, and the nail exerts a force on the hammer. Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first object.