100+ Properties of Matter Questions and Answers Pdf - 1
What are the two branches of mechanics?
Dynamics and Statics are the two branches of mechanics.
Dynamics - The behaviour of bodies under the action of forces that produce changes of motion in them is known as dynamics.
Statics - When there is no motion produced in the bodies under the action of forces it is known as statics.
What is geocentric theory?
The earth was assumed to be the centre of the universe and the Sun, the moon, the planets even the stars were thought to move around the earth.
What is helio centric theory?
The Sun was considered to be the centre and earth and other planets revolve around the Sun in circular orbits of different radii.
What are the different kinds of motion?
What is mechanics?
The branch of physics dealings with the behaviour of matter under the action of forces is called mechanics.
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