The speed of the hammer decreases when it hits the nail due to the transfer of kinetic energy from the hammer to the nail, causing the nail to move. The conservation of momentum dictates that the combined momentum of the hammer and nail remains constant, with some energy being dissipated as sound or heat.
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When a hammer hits a nail, the potential energy stored in the hammer is converted into kinetic energy as it moves towards the nail. Upon impact, some of this kinetic energy is transferred into mechanical work to drive the nail into the surface, while the rest is dissipated as sound and heat energy.
After the hammer hits the nail, its momentum is transferred to the nail causing it to move. Momentum is conserved in the system, meaning that the total momentum of the hammer and nail before and after the collision remains the same.
The reaction force when a hammer hits a nail is called the law of motion. This motion falls under Newton's Third Law.
When a hammer hits a nail, the force applied by the hammer causes the nail to experience an equal and opposite reaction force. This reaction force drives the nail into the surface it is being hammered into.
When a hammer hits a nail, the kinetic energy of the moving hammer is converted into mechanical energy. This mechanical energy drives the nail into the surface it is being hammered into.