Advertisements
Advertisements
Question
When an object is dropped from a height, it accelerates and falls down. Name the force which accelerates the object.
Advertisements
Solution
Gravitational force of the earth accelerates an object when it is dropped from a height.
APPEARS IN
RELATED QUESTIONS
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 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 ?
The value of acceleration due to gravity of earth :
Choose one or more correct alternatives.
Which of the forces involved in dragging a heavy object on a smooth, horizontal surface, have the same magnitude?
- The horizontal applied force
- gravitational force
- reaction force in vertical direction
- force of friction
The total energy of an object falling freely towards the ground ______.
Figure shows the velocity-time graph of a particle of mass 100 g moving in a straight line. Calculate the force acting on the particle.
(Hint : Acceleration = Slope of the v-t graph)

A body is projected vertically upward with an initial velocity u . If acceleartion due to gravity is g , the time for which it remains in air , is :
What do you understand by the free fall?
Write scientific reason.
The value of gravitational acceleration (g) decreases as we go deep inside the earth.
When is free fall possible?
