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Science 20 - Physics Unit Review Flashcards | StudBud
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Science 20 - Physics Unit Review
Science 20 - Physics Unit Review
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1
What slope of a line of best fit on a distance-time graph will give you?
speed
acceleration
velocity
displacement
2
If the force applied remains constant and the mass increases, then acceleration will...
become zero
remain the same
increase
decrease
3
An example of a scalar quantity is:
force
acceleration
distance
displacement
4
Convert 0.050km to m
0.00050m
50m
0.50m
500m
5
Describe the motion
Uniform
At rest
Accelerating
Constant then stops
6
What area under the line of best fit on an speed-time graph will give you?
acceleration
velocity
displacement
distance
7
Joe travels 5.00m [E], 10.0m [W] and then 3.0m [E] in 1.50 min. What is his displacement?
-2.0m
12m
18m
2.0m [E]
8
Convert 50.0km/h to m/s.
13.9m/s
0.0720m/s
13.8m/s
180m/s
9
Which is an example of acceleration?
Getting faster, Backwards
Slowing Down
All of them
Speeding up
10
What is inertia?
Mass accelerates in direction of applied force
What's moving becomes stationary
Resistance to change
What's stationary begins to move
11
Describe the motion.
Constant then stops
Accelerating
At rest
Constant
12
Which of the following is an example of a vector quantity?
37.0 millilitres
98.0 metres
35.0 km/hr - East
5.00 minutes
13
How do you calculate speed?
T/D
Y2-Y1 / X2- X1
V2- V1 / T
D/T
14
What is the net force in this diagram?
-2N
22N
12N
2N
15
What area under the line of best fit on an acceleration-time graph will give you?
velocity
acceleration
displacement
speed
16
Which one is traveling at a greater speed?
Both are at the same speed but one is ahead of the other
Not enough information given
B
A
17
How is speed defined in Physics?
displacement over time
distance over time
acceleration over time
velocity over time
18
A car speeds up from 30km/h to 50km/h in 5.0s. How long should the acceleration lane be?
2.0x10^2m
56m
55.6m
200m
19
How far will a car traveling at 45.0km/h travel in 2.00min?
1.50km
90km
22.5km
0.375km
20
Describe the motion
Accelerating
At rest
Uniform
Constant then at rest
21
Which part of the graph is illustrating non-uniform motion?
D
C
B
A
22
What is the is the average speed?
17.0 m/s
2.5 m/s
1.7 m/s
0.17 m/s
23
What line shows a decrease in speed?
D
C
B
A
24
Newton's second law of motion can be summed up by:
F=ma
What's in motion stays in motion
What's stationary stays stationary
Inertia
25
Which of Newton's Laws is shown in this example?
1
2
3
26
What is an example of velocity?
100 km/hr downhill
100 km/hr
100 km/hr in a car
100 km/hr fast
27
What slope of a line of best fit on a displacement-time graph will give you?
displacement
velocity
acceleration
speed
28
What type of forces cause movement?
Net Force
Gravity
Unbalanced
Balanced
29
Joe travels 5.00m [E], 10.0m [W] and then 3.0m [E] in 1.50 min. What is his distance traveled?
2.0m [E]
18m
-2.0m
12m
30
What is the distance at 2 seconds?
3m
4m
2m
1m
31
If the force applied increases and the mass remains constant then acceleration will....
increase
decrease
become zero
remain the same
32
Describe the motion of C on the graph.
moving away from starting point
moving faster and faster away from starting point
stationary
moving towards starting point
33
Joe travels 5.00m [E], 10.0m [W] and then 3.0m [E] in 1.50 min. What is his speed?
0.022m/s
12m/s
0.20m/s
1.3m/s
34
A car speeds up from 30km/h to 50km/h in 5.0s. Calculate its acceleration.
+5.6m/s2
+10m/s2
+6.0m/s2
+1.1m/s2
35
The resistance to change in motion
force
inertia
gravity
netwon
36
Balanced forces occur when...
equal forces happen in the same direction
equal forces act in opposite directions
unequal forces happen in the same direction
unequal forces act in the opposite direction
37
A car accelerates from -10.0m/s to +10.0m/s in 10.0s. calculate its acceleration.
-1.00m/s2
+2.00m/s2
+1.00m/s2
-2.00m/s2
38
What is the acceleration at 3 seconds?
3 m/s2
2 m/s2
4 m/s2
1 m/s2
39
On a box, two opposing forces are applied. +500N and -300N. What is the net force?
+200N
-200N
+500N
-300N
