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प्रश्न
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?
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उत्तर
Do it yourself.
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संबंधित प्रश्न
Give one example in the given cases:-
A force changes the shape of a body
Complete the following sentence:
Mass X change in velocity = ............x time interval.
How can you feel a force of 1 N?
Complete the following
1 N = ..........dyne.
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)
Give two examples each of contact and non-contact forces.
______ has to be applied to change the ______ of a ______ object.
(moving, direction, force)
Fill in the empty spaces
Can you give example for contact and non-contact forces?
Derive the unit of force using the second law of motion. A force of 5 N produces an acceleration of 8 m s–2 on a mass m1 and an acceleration of 24 m s–2 on a mass m2. What acceleration would the same force provide if both the masses are tied together?
Write true and false.
If mass increases, force decreases.
