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प्रश्न
Give two examples to verify that a force changes the shape of a body.
उत्तर
Force can change the static condition of a body.
- If you squeeze a sponge, its shape changes.
- If you pull a rubber band, it becomes longer.
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संबंधित प्रश्न
Give one example in the case where the force is of contact.
Give one example in the given cases:-
A force changes the shape of a body
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)
A truck of mass `5 xx 10^3` kg starting from rest travels a distance of 0.5 km in 10 s when a force is applied on its calculate:
1) the acceleration acquired by the truck and
2) the force applied
State the condition when on applying a force, the body has the translational motion.
Moon or Cloud?
Observe the moon on a windy night with a fair bit of cloud cover in the sky. As the cloud passes in front of the moon you sometimes think it is the moon which is moving behind the cloud. What would you think if you were to observe a tree at the same time?
One kilogram-force equals to
A mechanic unscrew a nut by applying a force of 140 N with a spanner of length 40 cm. What should be the length of the spanner if a force of 40 N is applied to unscrew the same nut?
Define force. Mention its SI unit.
Write true and false.
If mass increases, force decreases.
