2 pt

1
Circular Motion
Free Fall
Newtons Laws
Projectile Motion
Misc.
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2
Centripetal Acceleration means?
Answer
3
Centripetal acceleration means?
center-seeking
4
All circular motion has acceleration directed
towards?
Answer
5
All circular motion has acceleration directed
towards?
The center of motion
6
The acceleration of an object in circular motion
does not depend on?
Answer
7
The acceleration of an object in circular motion
does not depend on?
mass
8
All objects in circular motion move faster on the
edge of the circle or in the middle?
Answer
9
All objects in circular motion move faster on the
edge of the circle or in the middle?
The edge
10
The equation for centripetal force is just which
equation re-written?
Answer
11
The equation for centripetal force is just which
equation re-written?
Newtons Second Law
12
This is the only force acting on objects in
freefall?
Answer
13
This is the only force acting on objects in
freefall?
Gravity
14
Freefall is the same as floating. T or F.
Answer
15
Freefall is the same as floating. T or F.
False.
16
Astronauts in space are freefalling constantly. T
or F.
Answer
17
Astronauts in space are freefalling constantly. T
or F.
True
18
Weightlessness is another form of freefall.
Answer
19
Weightlessness is another form of freefall.
True.
20
All objects in freefall have the same speed. T or
F.
Answer
21
All objects in freefall have the same speed. T or
F.
It depends on if there is air resistance or not.
22
In 10 words or less, list the three laws of
motion.
Answer
23
In 10 words or less, list the three laws of
motion.
1st objects in motion, stay in motion, etc.
24
Inertia is a property of mass. T or F.
Answer
25
Inertia is a property of mass. T or F.
True.
26
The equation for weight is a rearranged form of
Newtons First Law.
Answer
27
The equation for weight is a rearranged form of
Newtons First Law.
No, 2nd Law.
28
Daily Double
29
Explain Newtons 2nd Law in words.
Answer
30
Explain Newtons 2nd Law in words.
A net force on a mass causes and acceleration.
31
The recoil of gun is explained by Newtons 1st
Law. T or F.
Answer
32
The recoil of gun is explained by Newtons 1st
Law. T or F.
F, Newtons 3rd Law.
33
The vertical speed of a projectile never changes.
Answer
34
The vertical speed of a projectile never changes.
False, it is always accelerating.
35
What is the equation for the horizontal component
of a projectile?
Answer
36
What is the equation for the horizontal component
of a projectile?
Vx v0 cos?
37
The shape of the trajectory of a projectile is a?
Answer
38
The shape of the trajectory of a projectile is a?
Parabola
39
What is the definition of a projectile?
Answer
40
What is the definition of a projectile?
Any object that is kicked, shot, or thrown and
acted upon by gravity.
41
What is the relationship between vertical
velocity and horizontal velocity of a projectile?
Answer
42
What is the relationship between vertical
velocity and horizontal velocity of a projectile?
They are independent of each other
43
Which is bigger a mile or a kilometer?
Answer
44
Which is bigger a mile or a kilometer?
A kilometer
45
What charge does a proton have?
Answer
46
What charge does a proton have?
Positive
47
Why is the sky blue?
Answer
48
Why is the sky blue?
Because of the diffraction of sunlight through
the atmosphere.
49
What element do all living things have in common?
Answer
50
What element do all living things have in common?
Carbon
51
What is the difference between speed and velocity?
Answer
52
What is the difference between speed and velocity?
Velocity is speed in a particular direction