Home
Class 9
PHYSICS
A nail becomes warm when it is hammered ...

A nail becomes warm when it is hammered into a plank. Explain why ?

Text Solution

Verified by Experts

The potential energy of the hammer is transferred to the nail. A major part of this energy is changed into kinetic energy as the nail moves into the plank and the rest is converted into heat. It si due to this heat that the nail becomes warm.
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    PRADEEP|Exercise Short Answer Question 3 marks|9 Videos

  • WORK AND ENERGY

    PRADEEP|Exercise Long Answer Question 3 marks|3 Videos

  • WORK AND ENERGY

    PRADEEP|Exercise Very short Answer Question|21 Videos

  • SOUND

    PRADEEP|Exercise Model Test (sec - B)|12 Videos

Similar Questions

Explore conceptually related problems

Ordinary paper becomes transparent when it is oiled. Explain why.

If an observer places his ear at the end of a long pipe, he can hear two distinct echoes when the pipe is hammered at the other end. Explain.

Why does a saw become warm when it is used to cut a log of wood ? State the energy transformation taking place.

Why does the pitch of a note produced by a wooden open end organ pipe become shaper when the temperature increases ? Explain in detail.

Does a chemical reaction become static when equilibrium is reached ? Comment and explain.

If a piece of iron is hammered, it becomes warmer. Why?

We read in newspapers that burning of fuels is a major cause of global warming. Explain why.

The head of a hammer (m = 1.5 kg) moving at 4.5 m/s strikes a nail and bounces back with the same speed after an elastic collision lasting 0.075 s. What is the magnitude of the average force the hammer exerts on the nail?