Motion Forces and Energy Chapter 2 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Force

A

A push or pull

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

Balanced forces

A

Forces that are in opposite directions and equal in size

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

Unbalanced forces

A

The total force on an object is in one direction

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

Fluid Friction

A

The friction exerted by fluid

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

Sliding Friction

A

Solid objects slide over each other

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

Rolling Friction

A

The friction produced by objects such as wheels or ball bearings

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

Fluid Friction

A

The friction exerted by fluid

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

Inertia

A

The tendency of matter to resist a change in motion

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

Newton’s First Law Of Motion

A

When an object at rest will remain at rest and an object in motion will remain in motion at constant velocity unless acted upon by an unbalanced force.

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

Newtons Second Law Of Motion

A

Describes how force,acceleration, and mass are related.

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

Newtons Third Law Of Motion

A

States that for every action, there is an equal and opposite reaction.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Gravity

A

A force of attraction that exists between all objects in the universe.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Weight

A

A measure of the force of gravity on an object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Net force

A

Combination of all forces acting on an object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

air resistance

A

frictional force air exerts on a moving object; acts opposite in direction to the object’s motion, fluid friction acting on an object moving through the air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

static friction

A

friction that acts on objects that are not moving

17
Q

Newton

A

SI Unit for Energy

18
Q

Mass

A

A measure of the amount of matter in an object

19
Q

Terminal Velocity

A

The greatest velocity a falling object can reach.

20
Q

Projectile

A

An object that is thrown

21
Q

momentum

A

characteristic of a moving object that is related to the mass and the velocity. momentum=mass x velocity

22
Q

law of conservation of momentum

A

in the absence of outside forces, the total momentum of object s that interact does not change.