Physics
A student has four balls - table tennis ball, tennis ball, cricket ball and a football. The correct ascending order of inertia is :
- table tennis ball, tennis ball, football, cricket ball
- cricket ball, football, tennis ball, table tennis ball
- table tennis ball, football, cricket ball, tennis ball
- football, cricket ball, table tennis ball, tennis ball
Answer
table tennis ball, tennis ball, football, cricket ball
Reason — As the property of inertia is because of the mass of the body. Greater the mass, greater the inertia. Ascending order of mass is table tennis ball < tennis ball < football < cricket ball, hence ascending order of inertia is table tennis ball < tennis ball < football < cricket ball.
Related Questions
Force is a …………… quantity.
- scalar
- vector
- directionless
- none of these
The property of an object by virtue of which it tends to retain its state of rest or of motion is called —
- friction
- inertia
- force
- mass
Which one of the following is not an example of inertia of rest?
- When a train suddenly starts moving forward, the passenger standing in the compartment tends to fall backwards.
- When a hanging carpet is beaten with a stick, dust particles start falling out of it.
- On shaking the branches of a tree, the fruits fall down.
- When a passenger jumps out of a moving train, he falls down.
An athlete often runs before taking a long jump. This is an example of :
- Newton's first law
- inertia of rest
- inertia of motion
- both (a) and (c)