Question

Read the following and answer any four questions from 19 (i) to 19 (v)

Balanced Forces when act on a body, the body either continues the state of rest or Uniform

motion. Unbalanced force may change the state of an object and produces acceleration. A

property called inertia is the inherent property of an object which resists any change in the

state of the body when force is applied. Mass of an object is measure of inertia.

1x 4

19 (i)

An object having mass 2kg is moving with constant velocity of 5ms-1. How much Force is

acting on the body

(A) infinite force

(B) zero

(C) 10 newton

(D) 2.5 newtonobject in figure is

(A) zero

(B) 2N right side of the body

(C) 2N left side of the body

(D) None

19 (iii) Which of the following has least inertia

(A) A tennis ball

(B) A cricket ball

(C) A bicycle

(D) A car

19(iv) A passenger falls forward when a moving bus suddenly stops, This can be explained using

(A) Inertia of rest

(B) Inertia of motion

(C) inertia of direction

(D) None

19 (v) A rolling object stops because of

(A) Balanced force

(B) Unbalanced force​

Answer 1

Answer:

3 da answer option A) A tennis ball

4 da answer option B) inertia of motion

5 da answer option B) unbalanced force

1 da answer option B) 0/zero

Explanation:

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