Physics 9 Chapter 3 - Dynamics - 2

Physics 9 Chapter 3 - Dynamics - 2

1. The greater the mass of a body the greater will be its ?

a) None of these
b) Momentum
c) Force
d) Inertia

2. The quantity of motion possesses by the body due its mass and velocity is called?

a) Force
b) Inertia
c) Kinetics
d) Momentum

3. The product of mass and velocity is called ?

a) kinetics
b) Force
c) Momentum
d) Inertia

4. Momentum is a what quantiy?

a) Vector
b) Both A & B
c) None of these
d) Scalar

5. What is the SI unit of momentum?

a) ms

b) Kgms

c) Nw
d) kgm/s

6. P=mv, what is ‘P’ in this equation?

a) Momentum

b) Potential

c) Pressure

d) Power

7. Who was the first person to formulate the laws of motion?

a) Einstein

b) Adward

c) Newton

d) Galileo

8. According to Newton the moving body remains in its which state if no net force is applied on it?

a) Rest

b) Accelerated

c) Moving

d) All are corect

9. According to Newtons law, if a book lying(rest) on a table remains in which state if no net force is applied on it ?

a) Moving

b) All are correct
c) Rest

d) Accelerated

10. First law of motion deals with bodies which are either rest or moving with in a ?

a) Bend line

b) Straight line

c) Opposite lines

d) Curve line

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