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प्रश्न
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Can you give example for contact and non-contact forces?

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उत्तर


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संबंधित प्रश्न
State the effects of a force applied on a non-rigid and a rigid body. How does the effect of the force differ in the two cases?
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)
A body of mass 50g is moving with the velocity of 10 ms-1. It is brought to rest by a resistive force of 10 N Find.
1) the retardation and
2) the distance that the body will travel after the resistive force is applied.
A uniform car of mass 500g travels with a uniform velocity of 25 ms-1 for 5 s. The brakes are then applied and the car is uniformly retarded and comes to rest in further 10 s calculate
1) the retardation
2) the distance which the car travels after the brakes are applied
3) The force exerted by the brakes.
Define 1 Dyne.
Define contact forces.
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?

To produce a displacement ______ is required.
Write true and false.
If mass increases, force decreases.
