Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science - Force and Speed > Force and speed > Flashcards

Force and speed Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Push/pull

A

A force exerted to move an object away or towards another object

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

Friction

A

The force between two surfaces sliding over one another, that causes them to heat up and wear

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

Weight

A

The force that pulls objects towards the centre of the Earth

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

Air resistance/drag

A

A force acting against any object that is moving through the Earth’s atmosphere

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

Lift

A

A force pushing upwards on an object flying through the air

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

Upthrust

A

A force pushing on an object in a liquid

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

Thrust

A

A push caused by an engine

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

Balanced

A

Forces acting on an object that are the same size but act in opposite directions

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

Compress

A

To squash into a smaller space

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

Contact force

A

A force that acts when an object is in contact with surface, air or water

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

Deform

A

To change shape

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

Drag force

A

The force acting on an object moving through the air or through water that causes it to slow down

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

Driving force

A

The force that is pushing or pulling on an object

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

Elastic limit

A

The point beyond which a spring will not return to it’s original length when the force is removed

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

Electrostatic force

A

The force acting between two charged objects

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

Equilibrium

A

Balanced

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Extension

A

The amount by which an object gets longer when a force is applied

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Field

A

A region where something feels a force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Gravity

A

A non-contact force that acts between two masses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Hooke’s law

A

The law saying that if you double the force on an object the extension will double

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Interaction pair

A

When two objects interact there is a force on each one that is the same size but in opposing directions

22
Q

Kilogram (kg)

A

A unit of mass, symbol kg

23
Q

Lubrication

A

A substance that reduces friction between surfaces when they rub together

24
Q

Magnetic force

A

The force between two magnets, or a magnet and a magnetic material

25
Q

Mass

A

The amount of matter (stuff) a thing is made up of

26
Q

Newton (N)

A

The unit of force, symbol N

27
Q

Newton metre

A

A piece of equipment used to measure weight in newtons

28
Q

Non-contact force

A

A magnetic, electrostatic or gravitational force that acts between objects not in contact

29
Q

Reaction

A

The support force provided by a solid surface like a floor

30
Q

Resistive forces

A

Any forces that act to slow down a moving object

31
Q

Streamlined

A

Shaped to reduce resistance to motion from air or water

32
Q

Tension

A

A stretching force

33
Q

Unbalanced

A

Opposing forces on an object that are unequal

34
Q

What does 100g of mass weigh? (N)

A

1N

35
Q

Earth’s Gravitational field strength is?

A

10N/kg

36
Q

Equation for mass?

A

m=w/g

37
Q

Equation for gravity?

A

g=w/m

38
Q

Equation for weight?

A

w=mg

39
Q

Equation for speed?

A

s=d/t

40
Q

Equation for distance?

A

d=st

41
Q

Equation for time?

A

t=d/s

42
Q

How do you write miles per hour?

A

m/h

43
Q

In a distance-time graph, what does a diagonal line mean?

A

A constant speed

44
Q

In a distance-time graph, what does a horizontal line mean?

A

Stationary

45
Q

In a distance-time graph, what does a downwards diagonal line mean?

A

Constant speed in the opposite direction

46
Q

In a distance-time graph, what does a steeper diagonal line mean?

A

Faster constant speed

47
Q

What will a newton metre read when dangled in water?

A

It will not have to pull up as much because of upthrust, therefore reading lower than if it were in the air.

48
Q

The denser the liquid the more…?

A

The denser the liquid the more upthrust you get

49
Q

Equation for density?

A

Density=Mass/Volume

50
Q

What is the unit for density?

A

g/cm^3

51
Q

Following Hooke’s law, what will the line of a graph be?

A

It will be a straight line from its origin

Science - Force and Speed (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions