Collisions and Momentum
Collisions and Momentum

Collisions and Momentum

Lead Author(s): Saylor Academy

Source: Saylor

Student Price: FREE

A question pack on dynamics in mechanical engineering.

This content is licensed under the Creative Commons Attribution 3.0 Unported License.

Collisions and Momentum Q10

Angular Momentum is also known as which of the following?

A

Couple of a couple

B

Force of a force

C

Moment of a momentum

D

Force of a momentum

Collisions and Momentum Q9

The coefficient of restitution during impact ranges from ______________ to ______________.

A

0, 2

B

0, 1

C

1, 2

D

0, 3

Collisions and Momentum Q8

What is the coefficient of restitution for perfectly elastic impact?

A

0

B

1

C

2

D

0.5

Collisions and Momentum Q7

What is the coefficient of restitution for perfectly elastic impact?

A

0

B

1

C

2

D

0.5

Collisions and Momentum Q6

Which of the following statements about impact is false?

A

Impact occurs when two bodies collide.

B

The time of impact is very small.

C

The forces are very small.

D

The forces are large.

Collisions and Momentum Q5

Which of the following statements about oblique impact is false?

A

The particles after impact move with known velocities.

B

The particles after impact move in unknown directions.

C

The particles after impact move with unknown velocities.

D

In the case of planar oblique collision, there are four unknown quantities.

Collisions and Momentum Q4

Principle of linear momentum states that for connected system of particles the algebraic sum of linear impulse is ______________.

A

1

B

0

C

0.5

D

2

Collisions and Momentum Q3

Which of the following statements about direct impact is true?

A

The center of mass of the colliding bodies coincides with the line of impact.

B

The center of mass of the colliding bodies does not coincide with the line of impact.

C

Both A and B

D

None of the above

Collisions and Momentum Q2

Which of the following statements about eccentric impact is true?

A

The center of mass of the colliding bodies coincides with the line of impact.

B

The center of mass of the colliding bodies does not coincide with the line of impact.

C

Both A and B

D

None of the above

Collisions and Momentum Q1

In three‑dimensions, internal force and moments have which the following effects on angular momentum?

A

Internal force and moments change angular momentum.

B

Internal force and moments do not change angular momentum.

C

Both A and B

D

None of the above

Collisions and Momentum Q10

Angular Momentum is also known as which of the following?

A

Couple of a couple

B

Force of a force

C

Moment of a momentum

D

Force of a momentum

Collisions and Momentum Q9

The coefficient of restitution during impact ranges from ______________ to ______________.

A

0, 2

B

0, 1

C

1, 2

D

0, 3

Collisions and Momentum Q8

What is the coefficient of restitution for perfectly elastic impact?

A

0

B

1

C

2

D

0.5

Collisions and Momentum Q7

What is the coefficient of restitution for perfectly elastic impact?

A

0

B

1

C

2

D

0.5

Collisions and Momentum Q6

Which of the following statements about impact is false?

A

Impact occurs when two bodies collide.

B

The time of impact is very small.

C

The forces are very small.

D

The forces are large.

Collisions and Momentum Q5

Which of the following statements about oblique impact is false?

A

The particles after impact move with known velocities.

B

The particles after impact move in unknown directions.

C

The particles after impact move with unknown velocities.

D

In the case of planar oblique collision, there are four unknown quantities.

Collisions and Momentum Q4

Principle of linear momentum states that for connected system of particles the algebraic sum of linear impulse is ______________.

A

1

B

0

C

0.5

D

2

Collisions and Momentum Q3

Which of the following statements about direct impact is true?

A

The center of mass of the colliding bodies coincides with the line of impact.

B

The center of mass of the colliding bodies does not coincide with the line of impact.

C

Both A and B

D

None of the above

Collisions and Momentum Q2

Which of the following statements about eccentric impact is true?

A

The center of mass of the colliding bodies coincides with the line of impact.

B

The center of mass of the colliding bodies does not coincide with the line of impact.

C

Both A and B

D

None of the above

Collisions and Momentum Q1

In three‑dimensions, internal force and moments have which the following effects on angular momentum?

A

Internal force and moments change angular momentum.

B

Internal force and moments do not change angular momentum.

C

Both A and B

D

None of the above

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