Question

Observe the picture and answer the following questions from 19 (i) to 19 (v):

i) What is inertia?

ii) How inertia and mass of the object related?

iii) State law of inertia.

iv) In above picture, a student gives the card a sharp and fast horizontal flick with a finger. What

will happen to the coin?

v) State reason for your answer [refer (iv)].
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Answer 1

Answer:

property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.