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प्रश्न
Give two examples to verify that a force tends to change the static condition of a body.
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
Give one example in the given cases:-
A force moves a stationary body
Define Newton (the S.I unit of force)
Explain what is understood by the following statement 1 kilogram-force (kgf) - 9.8 newton
Complete the following:
1 N = ............kgf (approx)
How much acceleration will be produced in a body of mass 10 kg acted upon by a force of 2 kgf?(g = 9.8 ms-2)
The adjacent diagram shows a heavy roller, with its axle at O, which is to be raised on a pavement XY. If there is friction between the roller and pavement, show by an arrow on the diagram the point of application and the direction of force to be applied. If pivoted at O, now will it go up?
Give two examples each of contact and non-contact forces.
A man can open a nut by applying a force of 150 N by using a lever handle of length 0.4 m. What should be the length of the handle if he is able to open it by applying a force of 60 N?
______ has to be applied to change the ______ of a ______ object.
(moving, direction, force)
A push or pull on an object is called force.
