Question

~~*Answer All*~~
Time:15 min

1. A man is in a car is moving with the velocity of 36km/hr. His speed with respect to the car is
A. 10m/s
B. 36m/s
C. Zero
D. Infinite

2. Which law of motion is also called law of inertia?
A. 1st law
B. 2nd law
C. 3rd law
D. All 1st, 2nd and 3rd laws

3. The inertia of an object is a quantitative measure of its
A. Volume
B. Density
C. Mass
D. Temperature

4. 2nd law of motion gives the definition of
A. Force
B. Acceleration
C. Velocity
D. Both force and acceleration
View Answer

5. 3rd law of motion explains
A. Effect of force
B. The existence of a force
C. The existence of two forces
D. The existence of a pair of forces in nature

6. Momentum depends upon
A. Force acts on the body
B. Mass of the body
C. The velocity of the body
D. Both the mass and velocity of the body

7. The dimension of force is
A. MLT-2
B. ML2T-2
C. ML2T2
D. ML-2T-2


8. The collision between two bodies be elastic if bodies are
A. Solid and soft
B. Soft and elastic
C. Solid and hard
D. Hard and elastic

9. When the car takes a turn around a curve road, the passengers feel a force acting on them in a direction away from the centre of the curve. It is due to
A. Centripetal force
B. Gravitational force
C. Their inertia
D. Centrifugal force

10. Taking off rocket can be explained by
A. 1st law of motion
B. 2nd law of motion
C. Law of conservation of momentum
D. Law of conservation of energy

11. Which of the following is not an example of projectile motion.
A. A gas-filled balloon
B. Bullet fired from the gun
C. A football kicked
D. A baseball shot

12. The distance covered by a body in time t starting from rest is
A. at2/2
B. Vt
C. a2t/2
D. at2

13. Flight of a rocket in the space is an example of
A. The second law of motion
B. Third law of motion
C. First law of motion
D. Law of gravitation

14. The trajectory (or path) of a projectile is
A. Straight line
B. Parabola
C. Hyperbola
D. Circle

15. At which angle the range of the projectile is maximum
A. 45°
B. 60°
C. 30°
D. None​

Answer 1

1-A

2-A

3-C

4-A

5-D

6-D

7-D

8-D

9-D

10-A

11-C

12-A

13-D

14-B

15-A

Answer 2

Heya!! ❣

1. zero.

2. 2nd law

3. mass

4. both force and acceleration

5. The existence of a pair of forces in nature

6.Both the mass and velocity of the body

$7. \: MLT ^{ - 2}$

8.Hard and elastic

9. Their inertia

10. Law of conservation of momentum

11. . A baseball shot

12. at2/2

13. First law of motion

14.Parabola

15. 45°

hope it help ❣