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 the following statement is true or false :
Unbalanced forces acting on a body change its shape.
State the various effects of force.
Give one example where a force changes the speed of a moving body.
What type of forces – balanced or unbalanced – act on a rubber ball when we press it between our hands ? What effect is produced in the ball ?
What happens to the passengers travelling in a bus when the bus takes a sharp turn ? Give reasons for your answer.

What is the unit of force ?
When we talk of a force acting on a body, it usually means :
When a rubber balloon held between the hands is pressed, its shape changes. This happens because :
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
