Advertisements
Advertisements
प्रश्न
How is force related to the momentum of a body?
उत्तर
Force is equal to the rate of change of momentum.
APPEARS IN
संबंधित प्रश्न
Give one example in the given cases:-
A force changes the size of a body
Define the term linear momentum. State its S.I unit.
Prove the force = mass x acceleration. State the condition when it holds.
A body of mass 1.5 kg is dropped from a height of 12 m. What is the force acting on it during its fall? (g = 9.8 ms-2)
Two balls of masses in ratio 1 : 2 are dropped from the same height find
a) the ratio between their velocities when they strike the ground and
b) the ration if the forces acting on them during motion.
A cricket ball of mass 100 g strikes the hand of a player with a velocity of 20 ms-1 and is brought to rest in 0.01 s calculate
1) the force applied by the hand of the player.
2) the acceleration of the ball
Why is it easier to open a door by applying the force at the free end of it?
Force acting on a given area is called pressure.
Give the properties of force.
Derive the unit of force using the second law of motion. A force of 5N produces an acceleration of 8 m s–2 on a mass m1 and an acceleration of 24 m s–2 on a mass m2. What acceleration would the same force provide if both the masses are tied together?