Physics 9 Chapter 2 - Kinamatics -11

Physics 9 Chapter 2 - Kinamatics -11

1. What does the velocity of an object tells us along with the speed of the object?

a) Change in acceleration
b) Change in speed
c) The direction along which object is moving
d) The distance of object

2. What is velocity of an object?

a) Scalar quantity
b) Derived quantity
c) Base quantity
d) Vector quantity

3. What is the rate of displacement of a body called?

a) Speed
b) Acceleration
c) Velocity
d) All of these

4. What is the formula of velocity?

a) Velocity = change in speed / time taken
b) Velocity = distance / time taken
c) Velocity = displacement / time taken
d) Velocity = (final velocity - initial velocity) / time taken

5. What is the formula of velocity?

a) Formula: v = d/t
b) Formula: v = S/t
c) Formula: v = d/t
d) Formula: v = S/t

6. What is the velocity of an object if it covers 50 m of displacement in 10 s?

a) 500 ms^-1
b) 60 ms^-1
c) 5 ms^-1
d) 40 ms^-1

7. By dividing displacement of a body with time, what do we obtain?

a) Deceleration
b) Velocity
c) Speed
d) Acceleration

Acceleration
Acceleration
Acceleration

8. What is the formula of displacement?

a) Formula: d = St
b) Formula: S = vt
c) Formula: S = vt
d) Formula: d = vt

9. What is d in the formula v = d/t?

a) Displacement
b) Distance
c) Velocity
d) Acceleration

10. A ball is thrown vertically upward. What is its velocity at the highest point?

a) 10ms^-1
b) Zero
c) -10ms^-1
d) None of these

11. What is v in the formula v = d/t?

a) Distance
b) Velocity
c) Displacement
d) Acceleration

12. What is t in the formula v = d/t?

a) Tension
b) Time taken
c) None of these
d) Inertia

13. What is the SI unit of velocity?

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

14. What is the SI unit of speed?

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

15. SI unit of velocity is the same as.................?

a) Energy
b) Acceleration
c) Speed
d) Work

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