P2.2.4 - Newton's Second Law Flashcards

1
Q

What is Newton’s Second Law?

A

‘’The acceleration experienced by a body is directly proportional to the resultant force acting upon it, and in the same direction as’’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the relationship between acceleration and mass?

A

Acceleration is inversely proportional to mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the equation linking force, mass and acceleration?

A

Force = mass x acceleration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

If a body is travelling at constant speed, in a constant direction is it accelerating or not?

A

It is not accelerating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

If a body is travelling at a constant speed, with a changing direction is it accelerating or not?

A

It is accelerating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

If a body is travelling at a changing speed, with a constant direction is it accelerating or not?

A

It is accelerating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

If a body is travelling at a changing speed, with a changing direction is it accelerating or not?

A

It is accelerating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

If a body is moving in a circle at constant speed then…

A
  • It is constantly changing direction
  • Thus, it is constantly chasing velocity
  • Thus, it us constantly accelerating and so must be subject to a resultant force
How well did you know this?
1
Not at all
2
3
4
5
Perfectly