Physics Test 09

Total Questions: 27

1 - The product of velocity and mass is

A ) Speed
B ) Velocity
C ) Momentum ✅
D ) Acceleration

2 - Momentum is a ____ quantity.

A ) Scalar
B ) Vector ✅
C ) Base
D ) None of these

3 - Direction of momentum is in the direction of____

A ) Distance
B ) Acceleration
C ) Velocity ✅
D ) Force

4 - The resultant of all the forces acting on body is called

A ) Net force ✅
B ) Force
C ) Inertia
D ) Momentum

5 - Newton's 1st law of motion is also called of ____

A ) gravitation
B ) Inertia ✅
C ) Columb
D ) Conversation of energy

6 - The mathematical from of Newton's 2nd law of motion is

A ) F = mv
B ) F = ma ✅
C ) F = mc
D ) F = m/a

7 - If constant is 1 then

A ) F = mv
B ) F = ma ✅
C ) F = mc
D ) F = m/a

8 - The product of mass and acceleration is called

A ) Momentum
B ) Force ✅
C ) Torque
D ) Speed

9 - The SI unit of force is

A ) Newton ✅
B ) Kilogram
C ) Pascal
D ) Meter

10 - A 20N force acting on a body of mass 8kg then its acceleration will be

A ) 2ms-²
B ) 2.5ms-² ✅
C ) 60ms-²
D ) 20ms-²

11 - The quantity of matter is called

A ) Weight
B ) Mass ✅
C ) Force
D ) Momentum

12 - Mass is a ____ quantity.

A ) Scalar ✅
B ) Vector
C ) Derived
D ) None of these

13 - Weight depends upon the ____

A ) Mass
B ) Gravitational acceleration ✅
C ) Force
D ) Time

14 - The relation b/w mass and weight is

A ) w = ma
B ) w = mg ✅
C ) w = m/g
D ) w = mv

15 - Weight is a quantity.

A ) Scalar
B ) Vector ✅
C ) Base
D ) None of these

16 - A book lying on a table is the example of _____

A ) 1st law of motion ✅
B ) 2nd law of motion
C ) 3rd law of motion
D ) Law of inertia

17 - Flying of balloon in air or taking off of a rocket is the example of

A ) 1st law of motion
B ) 2nd law of motion
C ) 3rd law of motion ✅
D ) Law of inertia

18 - The maximum value of friction is called

A ) Rolling friction
B ) Sliding friction
C ) Limiting friction ✅
D ) Skidding

19 - The ratio b/w limiting friction and normal reaction called

A ) Rolling friction
B ) Sliding friction
C ) Coefficient of limiting friction ✅
D ) Skidding

20 - Fs = ____

A ) uR
B ) umg
C ) mg
D ) Both a & b

21 - R =____

A ) U
B ) mg ✅
C ) g
D ) m/g

22 - Coefficient of friction b/w ice and wood is

A ) 0.5 ✅
B ) 0.05
C ) 0.005
D ) 5

23 - The unit of coefficient of friction is

A ) Newton
B ) Meter
C ) Kilogram
D ) 1 ✅

24 - In which case do you need smaller force

A ) Rolling ✅
B ) Sliding
C ) Skidding
D ) None of these

25 - In which case it is easy for the tyre to roll over.

A ) Rough ground
B ) Smooth ground ✅
C ) Both a and b
D ) None

27 - ____ is force that keeps a body to move in a circle.

A ) Centrifugal force
B ) Centri petal force ✅
C ) Friction
D ) Weight