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Science 8- Chapter 2 and Chapter 3 Section 1 Review Flashcards | StudBud
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Science 8- Chapter 2 and Chapter 3 Section 1 Review
Science 8- Chapter 2 and Chapter 3 Section 1 Review
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A review of speed, velocity, acceleration, and Newton's first and second laws of motion.
Flashcards
20 cards
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Questions
20
Answers
1
What is the definition of a force in physics?
Mind meld and lifting objects up and down.
A push-pull motion.
Gravity
Spinning around.
2
The tendency for an object to remain stationary is:
Static
Noble
Inertia
Sliding
3
When moving a smooth plastic box against a quartz countertop, it has
Static Friction
Sliding Friction
Rolling Friction
4
When you have two equal forces being applied in different directions, you have a ___.
Balanced Force
Unbalanced Force
5
Refer to the distance over time graph. Line A-B is
Decelerating
Constant speed
Accelerating
At rest
6
When walking against the wind, the type of friction you experience is
Air resistance
Rolling Friction
Static Friction
Drag
7
If you ride your bike on a puddle and you skid and stop in mud, it is due to
Sliding Friction
Static Friction
Rolling Friction
8
Which scientist developed the Laws of Motion?
Copernicus
DeGrasse Tyson
Newton
Richard Dawkins
9
When you have two unequal forces moving in opposite directions, you have a __.
Balanced Force
Unbalanced Force
10
What is the formula for calculating speed?
s= d+t
S= dxt
s=d-t
s=d/t
11
What is the formula for acceleration?
A= d/t
A= V/t
A= (Vf-Vi)/t
A= mgh
12
When two or more forces combine into one, it is called:
Net Force
Balanced Force
Jedi
Unbalanced Force
13
When skydiving from a parachute, the highest velocity is called:
Initial Velocity
Terminal Velocity
Velocity
Final Velocity
14
What force opposes objects from moving past each other?
Sliding
Static
Rolling
15
Refer to the distance over time graph. Line E-F is:
Decelerating
At rest
Constant velocity
Accelerating
16
How far an object has traveled from its starting point.
Displacement
Distance
Position
Reference point
17
Negative acceleration is:
Slowing down
Speeding up
Speeding up and going in the opposite direction
Slowing down and going in the opposite direction
18
Positive acceleration is
Speeding up and going in the same direction as the motion
Slowing down
Slowing down and going in the same direction as the motion
Speeding up
19
Refer to the distance over time graph. At which point out of the following do you see constant speed?
D-E
B-C
A-B
C-D
20
What is the formula for force?
F=m-a
F=m+a
F= m/a
F=ma
