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Physics 1 Week 2 review of Newton's Laws Part 3 Flashcards | StudBud
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Physics 1 Week 2 review of Newton's Laws Part 3
Physics 1 Week 2 review of Newton's Laws Part 3
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Physics Newton's Law review. Conceptual Physics Chapters 3 and 6
Flashcards
12 cards
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Practice quiz
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Questions
12
Answers
1
Use the free body diagram below for a 7 kg object. Find the acceleration of the object.
21 m/s/s right
3 m/s/s left
3 m/s/s right
0 m/s/s
2
What is the name of the force that is exerted when 2 surface rub against each other?
Drag
Normal Force
Buoyant Force
Frictional Force
3
What is the weight of a 7 kg object?(you can round g)
about 70 N
210 N
about 21 N
about 83 N
4
If a 700 N person is falling at terminal velocity, how much air resistance occurs?
less than 700 N
700 N
more than 700 N
zero
5
If a person is falling at terminal velocity, what is her acceleration?
9.8 m/s2 up
zero
9.8 m/s2 down
4.9 m/s2
6
What is the name of the force that is exerted by a fluid when an object is submerged in it?
Buoyant Force
Drag
Frictional Force
Normal Force
7
What is the name of the force that is exerted by a surface when an object rests on it?
Normal Force
Inertia
Weight
Buoyant Force
8
What are the units for mass?
kg
Newtons
mm
cm
9
Use the free body diagram below for a 7 kg object. Find the Net Force on the object.
83 N left
21 N right
0 Newtons
21 left
10
What is the net force of a 700 N person when they first jump out of the plane (no drag)?
slightly less than 700
700 N
slightly more than 700 N
zero
11
What is the net force of a 700 N person falling at terminal velocity?
700 N
zero
slightly more than 700 N
slightly less than 700
12
What are the units for weight?
cm
mm
Newtons
kg
