Question

1. Define motion and explain the statement ‘Motion is a relative concept’ with an example. (3 M)
2. What is translatory motion? What are its types? Give two examples for each type. (3M)
3. Identify the type of motion involved. (4M)
a) The ball is rolling on the ground is having both ________ and ___________ motion
b) The motion of seconds' hand shows ___________ and ____________ motion.
c) A pendulum and revolution of the Earth ,both show ____________________ motion.
d) Gas molecules show __________________ motion.

Answer 1

Answer:

a)linear and rotational.

b)circular

c)oscillatory

d)Brownian

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Answer 2

Answer:

1) Relative motion is the calculation of the motion of an object with regard to some other moving or stationary object. ... For example, a person sitting in an airplane is at zero velocity relative to the airplane, but is moving at the same velocity as the airplane with respect to the ground.

2) The motion in which all the particles of a body move through the same distance in the same time is called translatory motion. There are two types of translatory motions: rectilinear motion; curvilinear motion.

Examples of translational motion: a child going down a slide.

3)a Rectilinear and rotational motion

b uniform motion and accelerated motion

c circular motion

d straight line motion