Advertisements
Advertisements
प्रश्न
Free fall of an object does not depend on the mass of the object.
पर्याय
Right
Wrong
Advertisements
उत्तर
Free fall of an object does not depend on the mass of the object- Right
APPEARS IN
संबंधित प्रश्न
What do you mean by free fall?
A stone is allowed to fall from the top of a tower 100 m high and at the same time another stone is projected vertically upwards from the ground with a velocity of 25 m/s. Calculate when and where the two stones will meet.
A ball thrown up vertically returns to the thrower after 6 s. Find
- the velocity with which it was thrown up,
- the maximum height it reaches, and
- its position after 4 s.
Explain why, a wide steel belt is provided over the wheels of an army tank.
Name the force which wears away two surfaces as they move over one another.
A pressure of 10 Pa acts on an area of 3.0 m2. What is the force acting on the area ? What force will be exerted by the application of same pressure if the area is made one-third ?
A stone is thrown vertically upwards with initial velocity u reaches a height ‘h’ before coming down. Show that the time taken to go up is the same as the time taken to come down.
What would be the value of ‘g’ on the surface of the earth if its mass was twice and its radius half of what it is now?
The acceleration produced in a body by a force of given magnitude depends on
A force causes an acceleration of 10 m s-2 in a body of mass 500 g. What acceleration will be caused by the same force in a body of mass 5 kg?
A car is moving with a uniform velocity 30 ms-1. It is stopped in 2 s by applying a force of 1500 N through its brakes. Calculate the following values : The retardation produced in car.
Define the term acceleration due to gravity? Write its S.I. unit.
How are g and G realated ?
What is the acceleration due to gravity?
The value of gravitational acceleration (g) is ________.
The value of gravitational acceleration at the centre of earth is zero.
Distinguish between:
Universal gravitational constant - Gravitational acceleration of earth.
Calculate the escape velocity on the surface of the moon given the mass and radius of the moon to be 7.34 × 1022 kg and 1.74 × 106 m respectively.
(Given: G = 6.67 × 10-11 Nm2/kg2)
When is free fall possible?
