Advertisements
Advertisements
प्रश्न
Give one example each of inertia of rest and inertia of motion.
Advertisements
उत्तर
A book lying on a table will remain placed at the table unless it is displaced by some external force. This is an example of inertia of rest.
A ball rolling on the ground will continue to roll unless the external force, the force of friction between the ball and the ground stops it.
APPEARS IN
संबंधित प्रश्न
What is the other name of Newton’s first law of motion ?
Fill in the following blank with suitable word :
Newton’s first law of motion is also called Galileo’s law of ………………………
A moving bicycle comes to rest after sometime if we stop pedalling it. But Newton’s first law of motion says that a moving body should continue to move for ever, unless some external force acts on it. How do you explain the bicycle case ?
Define one newton force.
Find the acceleration produced by a force of 5 N acting on a mass of 10 kg.
The force exerted by the floor of an elevator on the foot of a person is more than the weight of the person if the elevator is
(a) going up and slowing down
(b) going up and speeding up
(c) going down and slowing down
(d) going down and speeding up
If you jump barefoot on a hard surface, your legs are injured. But they are not injured if you jump on a soft surface like sand or pillow. Why?
Give two examples of the following:
Inertia of motion
Two blocks A and B of masses m and 2 m, respectively, are held at rest such that the spring is in natural length. Find out the accelerations of both the blocks just after release.

What does inertia measure in an object?
