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P2 Revision! Flashcards | StudBud
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P2 Revision!
P2 Revision!
30 terms
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Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Which free body diagram shows an object accelerating?
B
A
C
D
2
What do Free Body Diagrams Represent?
Forces on an object
Weight of an object
Temperature of an object
Density of an object
3
10. Force has both magnitude and
direction
distance
displacement
time
4
what was Isaac newton?
mathematician
physicist
astronomer
biologist
5
What is the
resultant force
of the following free body diagram
4 N to the left
3 N to the left
4 N to the right
3 N to the right
6
Balanced forces are
Forces that don’t change motion
Forces that are equal & opposite
Two forces
Forces that change motion
7
Isaac newton was born on 1643
True
False
8
What can a scalar be described as?
direction only
magnitude only
magnitude and direction
9
What was Isaac Newton hit on the head by?
a rock
an orange
an apple
a kite
10
electrostatic force is an example of a contact force
True
False
11
Scalar Quantities ONLY include Magnitude
True
False
12
A rocket launch is an example of Newtons Laws?
False
True
13
Upthrust is a...
contact force.
non-contact force.
14
We can see forces.
True
False
15
Force = Mass x Acceleration is which one of Newtons Laws?
Second Law
Third Law
First Law
None of Them
16
Which is true about contact forces?
Gravity is a contact force that holds objects down on earth
Gravity is a non-contact force that holds the moon in orbit around earth
Gravity is a contact force that holds the moon in orbit around earth
Gravity only works between planets
17
Which kind of examples are contact forces
Electrostatic
Gravitational
Friction
18
Which of newtons laws is this?
2nd
all of the above
1st
3rd
19
Which free body diagram is drawn correctly?
C
B
A
20
Upthrust is...
only everted by air
an upward force exerted by a liquid or gas on a object
only exerted by water
an downward force exerted by a liquid or gas on a object
21
what did Isaac newton discover
social studies
calculus
math
gravity
22
What book did Isaac Newton write?
Early Transcendentalism
The Laws of physics
Principae Mathematica
Calculus on Mainfolds
23
Is a Vector Direction and Magnitude
False
True
24
Balanced forces...
change position
change direction
cancel each other out
increase speed
25
According to Newtons laws of motion,___
F=mv
F=m/a
F=ma
a=fnet/m
26
Which are true of contact forces?
Contact forces require the physical contact between objects
Contact forces only work by pulling
Contact forces work between two objects that do not touch
Contact forces only work by pushing
27
Which of these are contact forces?
Water resistance
Friction
Static electricity
Gravity
28
which of newtons laws is this?
3rd
1st
2nd
29
All forces have a
strength
magnitude and direction
direction
magnitude
30
Which of the following forces is an example of a non-contact force?
tension
normal force
gravitational force
frictional force
