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Jeopardy template

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Title: Jeopardy template Author: Pat Valenti Last modified by: bilottj Created Date: 8/19/1998 5:45:48 PM Document presentation format: On-screen Show (4:3) – PowerPoint PPT presentation

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Title: Jeopardy template


1
Answer must in Q form V holds the final right
for the answer
Force
Friction
Grace under Pressure
Blackout
Steel Wheels
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2
What is the SI unit for speed?
3
m/s ?
4
push or a pull that always acts on an object
5
What is force ?
6
the force of attraction between two objects
7
What is gravity ?
8
Name the two factors that determine speed
9
What are distance and time ?
10
A golf ball that is hit straight down the fairway
hits the ground, and it rolls a long way. Why
doesn't it continue to roll forever?
11
Friction eventually stops the ball
12
The force of gravity is greater between two
objects that have what?
13
have greater masses ?
14
To produce change in motion, a force must be a(n)
Double points
15
What is unbalanced force ?
16
What is the difference between speed and
velocity?
17
What are Velocity has direction, and speed does
not.
18
Give a simple example of something that best
represents force
19
a push or a pull acting on an object - examples
.
20
When a teacher tries pushing a large desk slowly
across the classroom floor, but the large desk
will not move, what is keeping the desk from
moving?
21
What is static friction ?
22
speed of an object in a particular direction
23
What is velocity ?
24
A force that opposes motion between two surfaces
is ____________________?
25
What is friction
26
What can cause a change in speed, direction, or
both?
27
What is unbalanced forces ?
28
What is a force that opposes motion between two
surfaces that are in contact?
29
What is friction
30
When a clock with moving hands is running, are
the hands of the clock accelerating? Explain
31
Yes, they are accelerating, because they are
constantly changing direction, even though their
speed is the same all the time.
32
What are the two factors that determine the
amount of friction?
33
What are the force and the roughness of the
surfaces
34
A hikers initial speed at the bottom of the hill
is 1.8 m/s and 1.5 m/s when the hiker reaches the
top. It took the hiker 180 s to climb the hill.
Explain how to calculate the hikers
acceleration, including whether it would be
positive or negative.
Double points
35
Subtract 1.8 m/s from 1.5 m/s. 1.5 1.8 - .3
Divide that by the 180 seconds that it took the
hiker to get to the top of the hill. -.3 / 180
- .00166 m/s/s up We know the answer will be
negative, because the final speed is slower than
the initial speed.
36
Give an example that illustrates an object being
opposed by static friction?
37
What is a worker pushing on a non-moving box ?
38
Give an example of an something where friction is
helpful? Give an example of an activity where
friction is harmful?
39
What are car tires moving a car
forward Brakes stopping a car -car engine parts
wearing out -Wallet wearing out a pocket in pants
40
What distinguishes the measurement of speed from
that of velocity and acceleration?
Double points
41
Speed does not involve direction. Both velocity
and acceleration do include direction. ?
42
Friction occurs because of
43
A the roughness of any objects surface
44
Two forces act on an object. One force has a
magnitude of 20 N and is directed toward the
north. The other has a magnitude of 15 N
directed toward the south. The object experiences
a net force of.
45
What is 5 N north ?
46
Forces on an object are combined to determine the
____________________ on that object.
47
What is net force ?
48
The newton is the SI unit of ____________________.

49
What is force ?
50
A force that always acts to oppose motion is
____________________.
51
What is friction
52
Answer must in Q form V holds the final right
for the answer
Force
Friction
Grace under Pressure
Blackout
Steel Wheels
1 pt
1 pt
1pt
1 pt
1pt
2 pt
2 pt
2pt
2pt
2 pt
3 pt
3 pt
3 pt
3 pt
3 pt
4 pt
4 pt
4pt
4 pt
4pt
5pt
5 pt
5 pt
5 pt
5 pt
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