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Unit 8 - Newton's Laws Review! Flashcards | StudBud
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Unit 8 - Newton's Laws Review!
Unit 8 - Newton's Laws Review!
20 terms
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StudBud Administration
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#science #newton #laws #physics #middleschool #forces #energy
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Where is there the most POTENTIAL energy?
C
B
D
A
2
A wheel turning is an example of...
Kinetic Energy
Potential Energy
3
Your mass is 180 pounds. If you go to the moon, which has less gravity, what will be true?
Your mass will increase.
Your weight will decrease.
Your weight will increase.
Your mass will decrease.
4
Which object has the MOST potential energy?
The green vases at the bottom
The blue vases in the middle
They all have the same PE.
The orange vases at the top
5
What is the net force and direction of the object?
balanced - no movement
400 N up
balanced - moves up and down
400 N down
6
As the ball FALLS DOWN, what energy transformation occurs?
KE decreases and PE increases
KE increases and PE decreases
PE is destroyed and KE is created
KE and PE don't change
7
If I want to accelerate an object that weighs 5 kg 15 m/s/s, what force do I need to use?
3 N
75 N
3 kg
75 kg
8
What is the energy transformation?
Chemical to Electrical to Radiant
Thermal to Electrical to Chemical
Radiant to Chemical to Electric
Potential to Kinetic
9
The law of energy conservation states that energy cannot be ______ or _______, only __________.
created or destroyed, only changed
changed or created, only destroyed
changed or destroyed, only created
10
If I use 50 N of force to accelerate an object 10 m/s/s, what was the mass?
5 N
10 kg
500 kg
5 kg
11
What is Newton's FIRST Law?
Every action has an equal and opposite reaction
Everything has energy
Objects keep doing what they're doing
F = m x a
12
How fast will a 600 kg car go if you apply 1,200 N of force to it?
200 m/s/s
20 m/s/s
2,000 m/s/s
2 m/s/s
13
Where is there the most KINETIC energy?
D
C
A
B
14
What is Newton's SECOND Law?
Every action has an equal and opposite reaction
Everything has energy
F = m x a
Objects keep doing what they're doing
15
Food is an example of...
Potential Energy
Kinetic Energy
16
Which force slows or stops movement?
Friction
Potential
Gravity
Kinetic
17
What is Newton's THIRD Law?
Objects keep doing what they're doing
F = m x a
Every action has an equal and opposite reaction
Everything has energy
18
what is the net force and direction of the object?
down 50 N
left 20 N
up 50 N
balanced - no movement
19
What is Potential Energy?
Energy of Time
Energy of Position
Energy of Motion
Energy of Space
20
What is Kinetic Energy?
Enery of Position
Energy of Space
Energy of Time
Energy of Motion
