1. Newton’s First Law of Motion defines –
- Energy
- Inertia
- Momentum of Inertia
- Work
2. Measurement of which quantity is obtained through Newton’s 2nd law of motion? –
- Force
- Impulse
- Acceleration
- Momentum
3. Which law of motion of Newton’s defines force?
- First
- Second
- Third
- None of these
4. To every action, there is an equal and opposite reaction which law of motion is this?
- First
- Second
- Third
- None of these
6. Newton’s which law is the real law of motion –
- Newton’s First Law of Motion
- Newton’s Second Law of Motion
- Newton’s Third Law of Motion
- None of these.
View Answer
Newton’s Second Law of Motion
7. The product of mass and velocity is called –
- momentum
- force
- impulse
- pressure
8. The product of force and time which equals the change in momentum is called –
- momentum
- force
- impulse
- pressure
9. All objects resist a change in their state. It is called –
- force
- mass
- inertia
- momentum
10. Which of the following is not a conservative force?
- Force of friction
- Magnetic force
- Gravitational force
- Electrostatic force
View Answer
Force of friction
11. Which of the following is a non-conservative force?
- Interatomic force
- Gravitational force
- Electrostatic force
- Viscous force
View Answer
Viscous force
12. An object of mass 2kg is moving with the acceleration of 50 cm/s, Then force acting on it is –
13. In the case of uniform motion acceleration is –
- Zero
- Negative
- Positive
- None of these
14. The direction of the force of friction –
- Perpendicular to the direction of motion of an object
- Along the direction of motion of an object
- Opposite to the direction of motion of an object
- None of these.
View Answer
Opposite to the direction of motion of an object
14. A jet engine works on the principle of conservation of –
- Mass
- Linear momentum
- Energy
- Angular momentum
View Answer
Linear momentum
16. The units of impulse are the same as those of –
- Energy
- Power
- Velocity
- Momentum
17. A cyclist bends while taking turn to-
- reduce friction
- generate required centripetal force
- reduce apparent weight
- reduce speed.
View Answer
generate required centripetal force
18. Rocket propulsion is based on the principle of conservation of-
- Mass
- Energy
- Linear momentum
- Angular momentum
View Answer
Linear momentum
19. Which physical quantity have the same unit as that of impulse?
- Energy
- Power
- Moment
- Velocity
20. Rolling friction is-
- less than sliding friction
- more than sliding friction
- equal to sliding friction
- None of these.
View Answer
less than sliding friction
21. Kinetic Friction is-
- Less than static friction
- More than static friction
- Equal to static friction
- None of these
View Answer
Less than static friction