Question

TRUE OR FALSE

1.An object which is moving at a constant speed has momentum.

2.Two objects of different mass are moving at the same speed;the more massive object will have the greatest momentum.

3.A less massive object can never have more momentum than a more massive object.

4.Two different objects are moving at the same speed.The larger objectsis difficult to stop.

5.An object with a changing speed will have a changing momentum.

6.Objects involved in collisions encounter impulses.

7.Impulse is the force needed to produce a change in the body's momentum through a combination of changes in its mass and/or velocity.

8.In collisions,the impulse experienced by an object is not equal to its momentum change.

9.Two cars with the same mass collided but having different velocity.Car travels faster than car A.Therefore, car A has greater momentum change than car b.

10.Two objects collide,objects a has greater mass and velocity while object b has smaller mass and velocity.in this case object a has a greater change of momentum or impulse​

Answer 1

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Answer 2

True or false:

Explanation:

1)

• It is a true statement.
• Momentum is the product of mass & velocity.
• As the mass of an object is constant, so the momentum is depends only on the speed of an object.

2)

• It is a true statement.
• Momentum is the product of mass & velocity.  
• As the speed of two objects is same then momentum only depends on the mass of an object.
• Hence more the massive object will have the greatest momentum.

3)

• It is a false statement.
• Momentum is the product of mass & velocity.
• An object having a small mass but higher velocity has high momentum while an object having a small velocity but low velocity also has high momentum.

4)

• It is a true statement.
• If two different objects are moving at the same speed then the larger object is difficult to stop.
• It requires more stopping potential.

5)

• It is a true statement.
• Momentum is the product of mass & velocity.
• As the object is changing speed then it has a changing momentum.

6)

• It is a true statement.
• During a collision, an objects experience an impulse & this impulse causes the change in momentum.

7)

• It is a true statement.
• Impulse is the force required to produce a change in the body's momentum through a combination of changes in its mass and velocity.

8)

• It is a false statement.
• In collisions, the impulse experienced by an object is equal to its momentum change.

9)

• It is a false statement.
• Momentum is the product of mass & velocity.
• As the speed of car B is higher than the speed of car A then car A has less momentum change than car b.

10)

• It is a true statement.
• Momentum is the product of mass & velocity.
• As one object has greater mass and velocity while another object has smaller mass and velocity.
• In this case change of momentum is higher.
• We also know that the impulse experienced by an object is equal to its momentum change.
• Hence the change in impulse is also higher.