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Forces Review Flashcards | StudBud
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Forces Review
Forces Review
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Forces Review before Test. Topics include: Newton's laws, Net Force, and F=ma
Flashcards
12 cards
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Practice quiz
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Questions
12
Answers
1
What is the weight of a 45 kg bulldog?
450 lbs
45 kg x m/s
45 kg
450 N
2
A skydiver has reached their top speed, which of the following is true.
They are at terminal velocity
Their net force is zero
Their acceleration is zero
They are no longer moving
3
The net force on an object is equal to the mass time the acceleration (F=ma)
3rd Law
2nd Law
4th Law
1st Law
4
The unit we use to measure weight in physics is
lbs
kg
N
oz
5
A 20 N net force causes a 5 kg toy car to start moving. What is the acceleration?
4 m/s2
10 m/s2
5 m/s2
100 m/s2
6
If the net force on an object is zero, then you are sure that ...
it is not accelerating
it is falling downward due to gravity
it smells like strawberries
it is not moving
7
An object in motion stays in motion unless acted on by an unbalanced force
1st
2nd
4th
3rd
8
An object is moving at a constant velocity, which is true
There is no friction
It is accelerating
it must be at rest
Net force is zero
9
This picture best represents which of Newton's Laws?
1st
4th
2nd
3rd
10
Every action has an equal opposite reaction
1st
3rd
4th
2nd
11
This picture best represents which of Newton's Laws?
1st
3rd
4th
2nd
12
What is the mass of a 250 N monkey?
250 N
25 kg
250 kg
2500 kg
