Linear Momentum

Q.

Momentum is closely related to what?

Q.

Two objects have equal momentum but masses in the ratio 3:2. Calculate the ratio of their velocities.

1. 3:1

2. 2:3

3. 2:1

4. 1:1

5. 3:2

Q. The momentum of an object depends on of the object.

1. only mass
2. only velocity
3. both mass and velocity

Q.

Two objects of different masses have some momentum. Do these velocities of these objects necessarily have the (a) same direction and (b) same magnitude?

Q. Law of conservation of momentum proved

Q. Explain the law of momentum of conservation

Q. What is the purpose of momentum?

Q.

State the S.I unit of momentum of a body .

Q.

what is momentum in simple terms

Q.

The unit of momentum is:

1. kg/s

2. kg.m/s

3. kg.m

4. m.s/kg

Q. A body of mass 5 kg has a velocity of 20 metres per second. Its momentum is .

1. $100{\text{kg m s}}^{-1}$
2. $25{\text{kg m s}}^{-1}$
3. $40{\text{kg m s}}^{-1}$
4. $50{\text{kg m s}}^{-1}$

Q. A body of mass 5 kg has a velocity of 20 m/s. Its momentum is:

1. 50 kg m/s
2. 100 kg m/s
3. 25 kg m/s
4. 40 kg m/s

Q. A body of mass 5 kg has a velocity of 20 metres per second. Its momentum is .

1. $100{\text{kg m s}}^{-1}$
2. $25{\text{kg m s}}^{-1}$
3. $40{\text{kg m s}}^{-1}$
4. $50{\text{kg m s}}^{-1}$

Q. The product of the mass and the velocity of a body is termed as:

1. Acceleration
2. Force
3. Inertia
4. Momentum

Q.

momentum of a body of given mass is proportional yo its

a) volume b) shape c) acceleration d) velocity

Q.

state the condition when change in momentum of a body depends only on the in its velocity.

Q. What is the dimension of linear momentum

Q. Momentum is a quantity, as it depends upon the of velocity of object.

1. vector
2. scalar
3. magnitude
4. direction

Q.

Which among the following has more momentum?

1. A stationary truck

2. A fast moving truck

3. A stationary car

4. A slow moving car

Q.

Which of the following is a vector quantity?

1. Momentum

2. Length

3. Distance

4. Speed

Q. If the velocity is constant, which of the following masses has the least impact?

1. 2 kg
2. 20 kg
3. 200 kg
4. 2000 kg

Q. A long-jumper runs before jumping to

1. maintain momentum conservation.
2. gain momentum.
3. cover greater distance.
4. gain energy by running.

Q. Law of conservation of momentum

Q.

A hoop of radius r and mass m rotating with an angular velocity 0 w is placed on a rough horizontal surface.

The initial velocity of the centre of the hoop is zero. What will be the velocity of the centre of the hoopwhen it ceases to slip?