Question

Solve this worksheet please
and the one who will answer first will be marked as the brainliest​

Answer 1

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Ques 1) Fill in the blanks with suitable words.

1) The motion in a straight line is called rectilinear motion.

2) Motion of the moon around the earth is an example of circular motion.

3) Simple pendulum executes harmonic motion.

4) Motion of a car on a city road is generally non-uniform motion.

5) The S.I unit of speed is metre per second.

6) Kilogram force is measured in the unit of kgf.

7) The distance covered by a body in unit time is called speed.

8) If a body changes it's position with respect to its surroundings, it is said to be in motion.

9) If a body does not changes it's position with respect to its surroundings, it is said to be in rest.

10) Rest and motion are relative terms.

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Ques 2) Match the following:

i) Flying kite - Random motion.

ii) Spinning wheel - Rotatory motion.

iii) Motion of hands of clock - Uniform motion.

iv) Carpenter's saw - Non- uniform motion.

v) Motion of mosquito - Mixed motion.

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Ques 3) Pick the odd one out. Give reason of your choice.

1) Flying bird because the bird is flying which is in mixed motion.

2) Merry-go-round because it is moving forward and backward and other's are moving in cirular motion

3) Carpenter's saw because it is in reciprocating motion.

4) Application of brakes in a moving car because it is in mechanical motion.

5) A ball thrown by a boy because it is in

oscillatory motion