Momentum & Moments Flashcards by Ruby Lane | Brainscape

Q

What is momentum

A

The product of mass and velocity

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Momentum unit

A

kgm/s

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Momentum equation

A

p=mv

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Conservation of moments

A

Total moments before = total moments after

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Force equations

A

F =ma
F = 🔺p/🔺t

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is impulse

A

Change of momentum measured in N or kgm/s

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Impulse equation

A

Impulse = Ft

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Change in momentum equation

A

🔺p = Ft

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is a moment?

A

A forces turning effect

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Moments equation

A

τ = Fd

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What are moments measured in? τ

A

Nm

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

When does a resultant moment occur

A

When anti-clockwise moments don’t equal clockwise

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

How to measure moments?

A

By connecting weights to paperclips on a ruler until balanced

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the centre of gravity?

A

The point that the weight of an object acts

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What’s an experiment to show centre of gravity?

A

Plane lamina hung from plumb line

How well did you know this?

1

Not at all

2

3

4

5

Perfectly