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प्रश्न
State whether the following statement is true or false :
A falling stone also attracts the earth.
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उत्तर
True
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संबंधित प्रश्न
What is the acceleration of 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.
What force is responsible for the earth revolving round the sun ?
Give reason for the following :
The force of gravitation between two cricket balls is extremely small but that between a cricket ball and the earth is extremely large.
Name the force which wears away two surfaces as they move over one another.
Name the force which stops you falling through the floor.
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
A body falls freely under gravity from rest and reaches the ground in time t. Write the expression for the height fallen by the body.
Explain why:
Objects fall to the earth.
Write scientific reason.
The value of gravitational acceleration (g) decreases as we go deep inside the earth.
