Physics 9 Chapter 2 - Kinamatics -14

Physics 9 Chapter 2 - Kinamatics -14

1. What is the SI unit of acceleration?

a) Metre per second
b) Metre
c) Metre per second per second
d) Newton

2. What is the SI unit of acceleration?

a) Unit ms²
b) Unit ms¹
c) Unit ms^-2
d) Unit ms^-1

3. Acceleration of a moving object is in the direction of .................if its velocity is increasing?

a) Distance
b) Speed
c) Velocity
d) Position

4. Acceleration of the object is opposite to the direction of if its velocity is decreasing?

a) Distance
b) Position
c) Speed
d) Velocity

5. If the rate of change of velocity during all time intervals remains constant then the acceleration a s.......................?

a) Average
b) Minimum
c) Constant
d) Maximum

6. What is the acceleration of a body called if it has equal changes in velocity in equal intervals of time however short the interval maybe?

a) Minimum acceleration
b) Uniform acceleration
c) Maximum acceleration
d) Average acceleration

7. What would be the acceleration of body if its velocity increases with time?

a) Positive
b) Uniform
c) Constant
d) Negative

8. The direction of ................acceleration is same to the direction in which the body is moving?

a) Negative
b) Uniform
c) Positive
d) Constant

9. What would be the acceleration of body if its velocity decreases with time?

a) Negative
b) Constant
c) Uniform
d) Positive

10. The direction of ..............acceleration is opposite to the direction in which the body is moving?

a) Constant
b) Uniform
c) Positive
d) Negative

11. What is the other name of negative acceleration?

a) Deceleration
b) Neceleration
c) None of these
d) Positive acceleration

12. What is the other name of negative acceleration?

a) Positive acceleration
b) Retardation
c) Neceleration
d) None of these

13. What is retardation?

a) Negative acceleration
b) Positive acceleration
c) Constant acceleration
d) Uniform acceleration

14. What is deceleration?

a) Constant acceleration
b) Positive acceleration
c) Negative acceleration
d) Uniform acceleration

15. Negative acceleration is also called.............?

a) Positive acceleration
b) Retardation
c) Both b and c
d) Deceleration

This is more feedback!

This is the feedback!