Advertisements
Advertisements
Question
A fielder pulls his hands backwards after catching the cricket ball. This enables the fielder to :
Options
exert larger force on the ball
reduce the force exerted by the ball
increase the rate of change of momentum
keep the ball in hands firmly
Solution
reduce the force exerted by the ball
He does this to increase the change in momentum time of the ball. This helps him to save himself from getting hurt by the ball.
APPEARS IN
RELATED QUESTIONS
What is the usual name of the forces which cannot produce motion in a body but only change its shape ?
Fill in the following blanks with suitable word :
If there were no unbalanced force of……………….. and no…………………. resistance, a moving bicycle would go on moving for ever.
Give one example where a force moves a stationary body.
Give one example where a force changes the speed of a moving body.
Give one example where a force changes the shape (and size) of a body.
Why are road accidents at high speeds very much worse than road accidents at low speeds ?
There are two types of forces X and Y. The forces belonging to type X can produce motion in a stationary object but cannot change the shape of the object. On the other hand, forces belonging to type Y cannot produce motion in a stationary object but can change the object. What is the general name of the forces as (a) X, and (b) Y?
When a toothpaste tube is squeezed, its shape changes. The force responsible for this is an example of :
If we release a magnet held in our hand, it falls to the ground. The force which makes the magnet fall down is an example of :
When a rubber balloon held between the hands is pressed, its shape changes. This happens because :