Brainscape's Knowledge GenomeTM

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


See full index

Science > Physics 10 > Flashcards

Physics 10 Flashcards

1
Q

Uniform motion

A

when an object travels at the same speed in a straight line (hard to maintain)

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

Average speed formula

A

average speed= distance travelled/time elapsed OR V= d/t

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

distance formula (speed)

A

d= v x t

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

Time formula (speed)

A

t= d/v

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

Distance time graph/ position time graph horizontal line

A

a flat line indicates zero speed, the object is stationary

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

Steep line on a distance/position time graph

A

a steep line indicates a fast speed

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

Shallow line on a distance/ position time graph

A

a shallow line indicates a slow speed

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

Slope calculation for distance/ position time graph

A

slope= rise/run
=change in distance/ change in time
=df-di/tf-ti
=speed

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

Slope calculation for speed time graph

A

slope= rise/run
= change in speed/change in time
=Vf-Vi / tf-ti
=acceleration

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

Speed time graph line meaning : Horizontal line

A

zero slope- constant speed (no acceleration)

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

Speed time graph line meaning: upwards line

A

positive slope- speeding up

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

Speed time graph line meaning: downwards line

A

negative slope- slowing down

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

Calculation for area under the line on a speed time graph

A

Area = length x width
= (v) x (t)
= distance

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

Scalar

A

magnitude only, how much or how far

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

Scalar examples

A

Time, mass, measure

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

Vector

A

Magnitude and direction, indicated by arrow above symbol

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

Vector examples

A

displacement, velocity, acceleration, force

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

Distance

A

Scalar quantity, measurement of how far an object has travelled
distance = xm + xm
= xm

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

Displacement

A

Vector quantity, measurement of the change in distance and direction (must use direction in the calculation)
displacement = xm (east) + xm (west)
= xm

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

North and up is a _____ direction

A

positive

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

East and right is a _____ direction

A

positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

South and down is a _____ direction

A

negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

West and left is a ______ direction

A

negative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Velocity

A

Change is displacement over time, vector quantity
V= d/t (With arrows over “V” and “d”)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Formula for finding displacement (velocity)

A

d= V x t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Formula for finding time (velocity)

A

t= d/v

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Acceleration is the change in _____ over time

A

velocity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Positive acceleration

A
  1. Positive magnitude and positive direction (speeding up going north, east, up, or right)
  2. Negative magnitude and negative motion (slowing down going south, west, down, or left)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Negative acceleration

A
  1. Negative magnitude and positive direction (slowing down going north, east, up or right)
  2. Positive magnitude and negative direction (speeding up going south, west, down or left)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Acceleration formula

A

a= v/t
a= vf-vi/t
acceleration= change in velocity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Find “t” for acceleration

A

t= vf-vi/a

32
Q

Find “vf” for acceleration

A

Vf= (t x a) + Vi

33
Q

Find “vi” for acceleration

A

vi= vf - (t x a)

34
Q

Position time graph line of best fit will be a _____ curve

A

smooth

35
Q

Speeding up on a position time graph is in the _____ direction

A

positive

36
Q

Slowing down on a position time graph is in the _____ direction

A

negative

37
Q

On a velocity- time graph positive slope=

A

positive acceleration

38
Q

On a velocity - time graph, negative slope=

A

negative acceleration

39
Q

On a velocity - time graph, area under the line determines

A

the displacement of the object

40
Q

Area of a triangle formula

A

A = b x h/2

41
Q

Area of a square/ rectangle

A

A= l x w

42
Q

Inertia

A

The tendency to resist changes in motion

43
Q

Force (and formula)

A

A push or pull on an object
Formula = F= ma

44
Q

Work (and formula)

A

When a force moves an object through a distance
Formula = W= Fd
W= joules or newton metres
F= newtons
d= metres

45
Q

What 3 conditions must be met for work to be done?

A

Movement, force, force and distance the objects travel in the same direction

46
Q

Energy

A

The ability to do work, measured in joules, work done to an object is equal to the energy gained by the object
Formula= E= w

47
Q

Evidence for presence of energy

A
  • change in motion
  • change in shape
    -change in temperature
48
Q

Light

A

from the sun and other light sources

49
Q

Sound

A

sound released from vibrating object

50
Q

Electrical

A

the work done by moving charges (ex. generator)

51
Q

Thermal

A

Heat energy

52
Q

Potential energy

A

stored energy ready to be released

53
Q

Gravitational

A

lifting something up

54
Q

Chemical

A

potential energy stored in the chemical bonds of compounds

55
Q

Elastic

A

rubber band or string

56
Q

Nuclear

A

potential energy stored in the nucleus of an atom

57
Q

Kinetic

A

energy of moving object

58
Q

Mechanical

A

the sum of the energy of the motion and position

59
Q

Solar energy

A

sun energy

60
Q

Types of potential energy

A
  • gravitational
  • chemical
  • elastic
  • mechanical
61
Q

Gravitational potential energy formula

A

Ep(grav) = mgh

62
Q

Find “m” in gravitational potential energy formula

A

m= Ep/gh

63
Q

Find “h” in gravitational potential energy formula

A

h= Ep/mg

64
Q

Ep elastic energy formula

A

Ep= W
OR
Ep = Fd

65
Q

Kinetic energy formula

A

Ek= 1/2 mv(squared)
OR
k mv(squared) / 2

66
Q

Find “m” in Ek formula

A

m= 2Ek / v (squared)

67
Q

Find “v” in Ek formula

A

v= square root 2Ek / m

68
Q

Mechanical Energy

A

the energy due to motion and position of an object

69
Q

Em formula

A

Em= Ep + Ek

70
Q

Find Ep in Em formula

A

Ep= Em- Ek

71
Q

Find Ek in Em formula

A

Ek= Em - Ep

72
Q

Law of conservation of energy

A
  • The total amount of energy remain constant as energy is converted from one form to another
  • Total mechanical energy always remain constant
  • Energy is always conserved
73
Q

1st law of thermodynamics

A
  • Energy is never created or destroyed
  • The total energy, including heat in a system and its surroundings remains constant
74
Q

2nd law of thermodynamics

A
  • During some energy conversions, some useful energy is lost as thermal energy in most cases
  • Heat flows from matter at a higher energy level to matter at a lower energy level
75
Q

Efficiency formula

A

Eff= useful energy output / total energy input x 100

Science (8 decks)

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