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प्रश्न
Give two examples to verify that a force tends to change the static condition of a body.
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उत्तर
Force can change the static condition of a body.
- A rest rubber ball begins to move when a force applied to it.
- The player applies a force on the stationary football while taking a penalty kick in a football match. The force applied by the player makes the football move towards the goal.
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संबंधित प्रश्न
Complete the following
Newton is the unit of .................
Which of the following is not the force at a distance:
(a) electrostatic force
(b) gravitational force
(c) frictional force.
(d) magnetic force.
Newton's second law of motion applicable in all condition is:
(a) `F = (Δp)/(Δt)`
(b) F = ma
(c) `F = M (Δv)/(Δt)`
(d) all three
A body of mass 1.5 kg is dropped from a height of 12 m. What is the force acting on it during its fall? (g = 9.8 ms−2)
Two bodies have masses in the ratio 3 : 4 when a force is applied on the first body. it moves with an acceleration of 6 ms-2 . How much acceleration will the same force produce in the other body?
Why is it easier to open a door by applying the force at the free end of it?
The force of friction always acts ______ the motion.
Give the properties of force.
A push or pull on an object is called force.
The moon attracts Earth with a force of 1020 N, and then the force with which the Earth attracts the moon is ______.
