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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
Define the term Force?
Complete the following sentence:
Mass X change in velocity = ............x time interval.
A body of mass 1 kg is thrown vertically up with an initial speed of 5 m s-1. What is the magnitude and direction of force due to gravity acting on the body when it is at its highest point? Take G = 9.8 n kg-1
Two balls of masses in ratio 1 : 2 are dropped from the same height find
a) the ratio between their velocities when they strike the ground and
b) the ration if the forces acting on them during motion.
Give two examples each of contact and non-contact forces.
The force of friction always acts ______ the motion.
To produce a displacement ______ is required.
Give the properties of force.
Which of the following statement is not correct for an object moving along a straight path in an accelerated motion?
Briefly explain how we experience a force in our daily life.
