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
Advertisements
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
An object experiences a net zero external unbalanced force. Is it possible for the object to be travelling with a non-zero velocity? If yes, state the conditions that must be placed on the magnitude and direction of the velocity. If no, provide a reason.
State whether force is a scalar or a vector quantity?
Which of the two, balanced forces or unbalanced forces, can change the shape of an object ? Give an example to illustrate your answer.
Give reason for the following :
When a hanging carpet is beaten with a stick, the dust particles start coming out of it.
Give one example where a force moves a stationary body.
What happens to the passengers travelling in a bus when the bus takes a sharp turn ? Give reasons for your answer.

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?
What is the relationship between force and acceleration ?
When a toothpaste tube is squeezed, its shape changes. The force responsible for this is an example of :
When we talk of a force acting on a body, it usually means :
