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STUDY GUIDE FOR TEST
Friction increases speed
Which force pulls objects down?
STUDY GUIDE FOR TEST
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Answers
1
Which force pulls objects down?
Inertia
Friction
Gravity
Tension
2
Friction increases speed
True
False
3
Balanced forces cause acceleration
False
True
4
Where does friction occur?
Contact surfaces
In air
In water
In vacuum
5
How does friction affect motion?
No effect
Speeds up
Changes direction
Slows down
6
What is Newton's First Law?
Friction
Gravity
Momentum
Inertia
7
When is an object in equilibrium?
Moving fast
Forces balanced
At rest
Accelerating
8
Complete the sentence: Force equals mass times...
Acceleration
Distance
Speed
Velocity
9
Who formulated the laws of motion?
Tesla
Galileo
Newton
Einstein
10
Why do objects fall?
Tension
Friction
Gravity
Inertia
11
Gravity acts upwards
False
True
12
How does tension affect ropes?
Compresses
Breaks
Stretches
No effect
13
What is the unit of force?
Newton
Pascal
Watt
Joule
14
Complete the sentence: Motion is a change in...
Energy
Mass
Force
Position
15
How does mass affect inertia?
More mass, more inertia
Less mass, more inertia
Changes direction
No effect
16
Which force acts at a distance?
Gravity
Normal
Friction
Tension
17
Inertia resists changes in motion
True
False
18
Which force opposes motion?
Friction
Inertia
Tension
Gravity
19
Objects in motion stay in motion
True
False
