Advertisements
Advertisements
प्रश्न
The separation between two masses is reduced to half. How is the magnitude of gravitational force between them affected?
Advertisements
उत्तर
The magnitude of gravitational force between two masses will become four times as gravitational force varies inversely as the square of distance of separation.
APPEARS IN
संबंधित प्रश्न
Name the S.I. and C.G.S. units of force. How are they related?
A body of mass 500 g, initially at rest, is acted upon by a force which causes it to move a distance of 4 m in 2 s, Calculate the force applied.
A car of mass 480 kg moving at a speed of 54 km h-1 is stopped by applying brakes in 10 s . Calculate the force applied by the brakes .
A light ball falling on ground, after striking the ground rises upwards. Explain the reason.
A body falls from the top of a building and reaches the ground 2.5 s later. How high is the building? (Take g = 9.8 m s-2)
State unit of momentum in the SI system.
Write the SI unit of momentum.
Define momentum of a body.
If a number of forces act on a stationary body at the same point, then what do you conclude from it?
Name and state the action and reaction in the following case:
Firing a bullet from a gun.
