Advertisements
Advertisements
प्रश्न
State two factors which determine the momentum of a body.
Advertisements
उत्तर
Factors which determine the momentum of a body are:
- Mass of the moving body: Larger the mass of a body, larger will be its momentum.
- Velocity of the body: Larger the velocity of the body, larger will be its momentum.
APPEARS IN
संबंधित प्रश्न
Two masses 8 kg and 12 kg are connected at the two ends of a light, inextensible string that goes over a frictionless pulley. Find the acceleration of the masses, and the tension in the string when the masses are released.
A monkey of mass 40 kg climbs on a rope in given Figure which can stand a maximum tension of 600 N. In which of the following cases will the rope break: the monkey
(a) climbs up with an acceleration of 6 m s–2
(b) climbs down with an acceleration of 4 m s–2
(c) climbs up with a uniform speed of 5 m s–1
(d) falls down the rope nearly freely under gravity?
(Ignore the mass of the rope).
car moving at 40 km/hr is to be stopped by applying brakes in the next 4 m. If the car weighs 2000 kg, what average force must be applied to stop it?
Two blocks A and B of mass mA and mB , respectively, are kept in contact on a frictionless table. The experimenter pushes block A from behind, so that the blocks accelerate. If block A exerts force F on block B, what is the force exerted by the experimenter on block A?
A small block B is placed on another block A of mass 5 kg and length 20 cm. Initially, the block B is near the right end of block A (In the following Figure). A constant horizontal force of 10 N is applied to the block A. All the surfaces are assumed frictionless. Find the time that elapses before block B separates from A.
Find the acceleration of the blocks A and B in the three situations shown in the following figure.
Two bodies A and B of same mass are moving with velocities v and 2v, respectively. Compare their (i) inertia and (ii) momentum.
Name the physical quantity which equals the rate of change of linear momentum.
A stone is dropped from a cliff 98 m high.
What will be its speed when it strikes the ground?
In the previous problem (5.3), the magnitude of the momentum transferred during the hit is ______.
