Question

answer this fast plz​

Answer 1

Answer:

1) A

2)C

3) periodic motion

4)

5

Answer 2

Answer:

1. c , d

2. a , c

3. periodic motion

4.states of a body

5. rest

6. mechanics

7. REST - if postion of a body does not change with the passage of time

MOTION - if position of a body changes with the passage of time

8. i - a) whirling stone. b) revolution of satellite

ii - a) satellite motion b) ticking of clock

9. i - in Rotatory motion the body revolves around a fixed axis

ii - in periodic motion body repeats its motion after a fixed time interval

10. they are in the rest with respect to us

11. rest and motion is relatable by the frame of refrence i.e. who is seeing the object . a body in motion sees another body , which is in rest , as in motion.