Force And Law Of Motion Flashcards

1
Q

What is force?

A

A physical quantity which tends to change the state or form of motion of an object.

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

What are balanced forces?

A

Forces acting on an object that are equal in size and opposite in direction, resulting in no acceleration.

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

What do balanced forces cause?

A

No acceleration.

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

Define unbalanced forces.

A

Forces that are not equal and cause acceleration in an object.

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

What is the effect of unbalanced forces?

A

They cause acceleration.

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

What is friction?

A

A force which opposes motion between two surfaces in contact.

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

How does friction affect a moving object?

A

It slows down or stops the object.

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

What happens when brakes are applied to a moving car?

A

Friction is applied to stop the car.

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

Fill in the blank: An object in motion tends to continue in the same state of motion due to _______.

A

[inertia]

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

What is inertia?

A

The tendency of an object to resist changes in its state of motion.

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