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Forces & Motion Review
Forces & Motion Review
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Forces, Motion, Newton's Laws #physics #8thgrade #science #forces #motion #newton
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What day of the week is not your lab?
Tuesday
Friday
Wednesday
Tuesday
2
When a force is applied to an object, causing it to move, the forces are said to be
balanced
covalence
imbalanced
unbalanced
3
The perpendicular contact force exerted by a surface on another surface is
weight
tension
drag
normal
4
Which needs more force to move and therefore has greater inertia?
snail
Elephant
adult
baby
5
75 mph is...
velocity
speed
acceleration
motion
6
A ball drops in free fall from a 150 meter, how far did the object fall in 4 seconds?
146 m
37.5 m
50.0 m
39.2 m
7
Your apparent weight going up in an elevator will_____________________?
decrease
increase
stay the same
not be affected
8
Who lost his phone yesterday?
Aaron
Will
Anthony
Jon
9
What is the net force?
0 N
9 N right
6 N right
3 N right
10
30 m/s south is...
velocity
acceleration
speed
motion
11
What are you measuring when you take distance over time?
motion
speed
acceleration
velocity
12
A car accelerates from 10 m/s to 25 m/s in 3 seconds the average acceleration is
15 m/s
5 m/s
5 m/s2
3 m/s2
13
What another name for the connecting of two vectors in different directions
pi
tangent
magnitude
resultant
14
Speed + the direction is
Acceleration
Motion
Velocity
Speed
15
The pull exerted by a string, rope or cable when attached to a body and pulled taught is
weight
tension
friction
thrust
16
When pulling an object in 3 directions with equal force: 6N + 6N =
12N
6N
36N
0N
17
Speeding up, slowing down, changing direction is
acceleration
speed
motion
velocity
18
An object at rest or at constant speed is considered
balanced
imbalanced
unbalanced
covalence
19
What is the net force?
12 N left
8 N left
4 N left
12
20
Newton's 2nd law of motion shows F = ? x a
m
t
v
g
