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Physics-Newton's Third Law: Chapter 7 Flashcards | StudBud
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Physics-Newton's Third Law: Chapter 7
Physics-Newton's Third Law: Chapter 7
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newtons laws of motion, first law, second law #physics
Flashcards
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Questions
16
Answers
1
A nail hits the hammer, there is a force on the _____
nail and also the hammer
hammer but NOT the nail
there is no force on either
nail but NOT the hammer
2
When a boulder falls towards Earth, Earth also moves toward the boulder. T/F
True
False
3
The standard unit of measurement for
acceleration
is _________.
kg x m/s2
m/s
N
m/s2
4
The standard unit of measurement for
velocity
is __.
m/s2
N
m/s
kg x m/s2
5
A balloon rocket is pushed forward by gases that are forced out the back of the balloon rocket.
True
False
6
To make a cart move forward, a horse must pull harder on cart than the cart pulls on the horse
True
False
7
Every interaction, there's always a pair of
oppositely
directed forces that are equal in strength
True
False
8
When a boulder falls to Earth, the action is Earth exerting a force on the boulder, and the
reaction is Earths gravtiy
reaction is the boulder exerting a force on Earth
9
Newton's Third Law: "
for every action there is an ___ and __ reaction
."
equal & same
equal & opposite
decreasing & opposite
increasing & opposite
10
The standard unit of measurement for
force
is
m/s2
N
m/s
kg
11
Which of Newton's Laws is illustrated? Action/Reaction
First Law
Third Law
Second Law
Fourth Law
12
1 Newton (1 N) is equivalent to:
1 m/s
1 kg x m/s2
1 kg
1 m/s2
13
When a car hits a semi-truck, which is true?
The semi-truck exerts a greater force on the car
The car exerts a greater force on the semi-truck
none of the above
The forces on the car & truck are equal & opposite
14
The Earth and moon pull on each other with equal amounts of force.
False
True
15
The standard unit of measurement for
mass
is
kg
mg
N
kg x m/s2
16
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