# CBSE Class 12 Physical Education Chapter 8 Biomechanics & Sports MCQ Important Question Answer

 Class 12th Subject Physical Education Category MCQ

## CBSE Class 12 Physical Education Chapter 8 Biomechanics & Sports MCQ Important Question Answer

1. The term ‘biomechanics’ to describe the application of mechanical principles in the study of living organism was adopted in
(a) early 1970s
(b) late 1970s
(c) 1970
(d) early 1980s

Ans – (a) early 1970s

2. The field where the study of forces is in focus is known as
(a) dynamics
(b) kinematics
(c) statics
(d) kinetics

Ans – (d) kinetics

3. Sports biomechanics cab be described as-
(a) mechanics of sports
(b) kinesiology
(c) physics of sports
(d) sports dynamics

Ans – (c) physics of sports

4. The term flexion refers to
(a) bending
(b) turning
(c) twisting
(d) straightening

Ans – (a) bending

5. Extension is
(a) bending
(b) turning
(c) twisting
(d) straightening

Ans – (d) straightening

6. Moving away from the reference axis is known as
(a) flexion
(b) extension
(c) abduction

Ans – (c) abduction

7. Bringing closer to the reference axis is called
(a) flexion
(b) extension
(c) abduction

8. The plane which divides the body into a left and a right is called
(a) coronal plane
(b) sagittal plane
(c) vertical plane
(d) transvers plane

Ans – (b) sagittal plane

9. According to Newton’s Second Law of Motion, the greater the movement of an object, the
(a) longer distance will it travel
(b) stronger will it resist the external forces
(c) speedier it will cover the given distance
(d) more stable will it remain in its motion

Ans – (d) more stable will it remain in its motion

10. Newton’s First Law of Motion is known as the
(a) Law of Reaction
(b) Law of Inertia
(c) Law of Effect
(d) Law of Momentum

Ans – (b) Law of Inertia

11. Newton’s Second Law of Motion is also known as
(a) Law of Reaction
(b) Law of Inertia
(c) Resultant Force
(d) Law of Effect

Ans – (c) Resultant Force

12. Acceleration due to an external force acting on a moving object is technically defined as change in that object’s
(a) location
(b) direction
(c) velocity
(d) movement

Ans – (c) velocity

13. The Friction force acts in a/an ______direction to the direction of motion of an object.
(a) opposite
(b) same
(c) downwards
(d) diagonal

Ans – (a) opposite

14. Among the following sports, in which friction plays the least important role?
(a) Car Race
(b) Football
(c) Hockey
(d) Ice Skating

Ans – (d) Ice Skating

15. Friction is a –
(a) Magnetic Force
(b) Non-contact Force
(c) Contact Force
(d) Couple Force

Ans – (c) Contact Force

16. The measurement of the amount of friction a surface will generate is called the of friction.
(a) Calibration
(b) Coefficient
(c) Smoothness
(d) Description

Ans – (b) Coefficient

17. Centre of Gravity is the average location of an object’s _________.
(a) Weight
(b) Force
(c) Resistance
(d) Velocity

Ans – (a) Weight

18. In Law of Acceleration, acceleration of an object is inversely proportionate to its _________________
(a) Force
(b) Mass
(c) Speed
(d) Size