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The hammer exerts a force on the nail; the nail exerts a force on the hammer.
increases 4 times the initial force
The force of the hammer is much greater than the force of the nail. Gravity pulls down the hammer, hits the nail, and the nail forces up, but the force of gravity wins over the force pulling on the nail.
A gravitational force exists between every two mass objects.The force is the same on both objects.
The magnitude of the force is exactly the same (Newton's Third Law).
The magnitude of the force is exactly the same (Newton's Third Law).
Multiply the magnitude of the force component in the direction of motion by the distance through which it moves. The product is the work done by the force.
The magnitude of the force is exactly the same (Newton's Third Law).
The magnitude of the force is exactly the same (Newton's Third Law).
Gravitational force exerts an attraction on objects.
An object in motion stays in motion until acted upon by an outside force. When the energy from the hammer hits the nail the hammer stops because its acted on by the nail. The nail takes on most of the energy and goes into whatever you might be nailing, like wood. The nail stops and the wood takes the energy and it just keeps going until the energy stops.
The hammer is shaped as it is so as to exert the maximum amount of force at the culmination of it's swing.