Newtons Laws of Motion Flashcards

1
Q

What do we mean by inertia?

A

The tendency of an object to remain in a steady state (at rest or in uniform motion)

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

Newton’s first law

A

The velocity of an object will only change if a resultant force is acting on it

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

What is the resultant force on a stationary object?

A

Zero

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

What will an object experience if the resultant force on it is not zero?

A

Acceleration/change in velocity

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

What is the name of the tendency of an object to remain in a steady state at rest or moving in a straight line at a constant speed?

A

Inertia

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

What forces are balanced when an object travels at a steady speed?

A

Resistive forces = driving force

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

According to Newton’s Second Law, what is the acceleration of an object proportional to?

A

The force acting on it

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

According to Newton’s Second Law, what is the acceleration of an object inversely proportional to?

A

Mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the inertial mass of an object?

A

How difficult it is to change an object’s velocity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Newton’s Third Law

A

When two objects interact they exert equal and opposite forces on each other

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Starting to move, stopping moving, speeding up, slowing down and changing directions are all examples of which physical process?

A

Acceleration/change in velocity

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