Question

What type of motion is being performed in the following cases?
a) A bullet fired from gun.
b) The tape of a cassette recorder
c) Human heart beat
d) Motion of a sewing machin​

Answer 1

Answer:a rectilinear

BCircular

C Periodic

D periodic

Explanation:

Answer 2

a) A bullet fired from gun. Uniform linear motion

b) The tape of a cassette recorder circular motion

c) Human heart beat: rhythmic harmonic motion

d) Motion of a sewing machin: simple harmonic motion

Explanation:

• any object whose position changes with respect to time is said to be in motion. Motion can be of various type. It is said that motion and rest are relative terms. An object is said to be in the point of motion and can also remain in the point of rest.
• For example a person who is sitting in a bus is in the state of rest as compared to the person who is inside the bus and in motion if seen by a person who is outside the bus

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