LEV4-'09FinalRev

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1
What is the mass of a paperclip?
A. 1 gram
B. 1 kilogram
C. 1 Newton
2
Which of these is NOT a force?
A. tension
B. impulse
C. friction
D. centripetal
Which best describes the
3
direction of this vector?
4
A. 10 ° N of E
C. 10° N of W
B. 10° E of N
D. 10° W of N
If a person walked at constant speed in a negative direction, then at
constant speed in a positive direction --- which is the distance – time
graph?
A.
B.
C.
How does the ball’s total energy at A compare to its total
energy at B ?
5
A
A. EA = EB
B
B. EA > EB
C. EA < EB
 = .500
6
Which best describes the
motion represented by this
distance – time graph?
A. Constant speed
B. Getting faster
C. Getting slower
7
Which graph shows a DIRECT relationship?
A.
B.
C.
8
What does this measure?
A. distance
B. acceleration
C. time
D. none of the above
9
What is the WEIGHT of an apple?
A. 1 gram
B. 1 kilogram
C. 1 Newton
D. 1 pound
10
What is the NET FORCE on the box?
6N
A. 60 N
11
B. 16 N
10 N
C. 10 N
D. 6 N
When you hit a bug – is there more force on the
bug or on the car?
A. bug
B. car
C. same
E. 4 N
12
When an object reaches terminal velocity……
A. the weight = friction force
B. it accelerates less than 9.8 m/s2
C. motion stops
D. the momentum is not conserved
13
What does a HORIZONTAL line mean on a VT
graph?
A. 0 velocity
B. constant speed
C. positive accleration
14
What is the equation for momentum?
A. velocity x time
B. force x time
C. mass x velocity
15
What does it mean in physics if a quantity is “conserved”?
A. constant
B. closed & isolated
C. saved
16
“Following through” when you swing a bat does what?
A. increases the mass
B. increases the time
C. increases the force
17
Which describes why you lean when you drive
around a bend?
A. Conservation of momentum
B. Conservation of Energy
C. Centripetal force pushes you out
D. Newton’s 1st Law
18
Which statement BEST describes the
motion of the box?
A. At rest
B. Constant speed
C. Accelerating
D. Not accelerating
19
Which is the best estimate for the WEIGHT of a man?
A. 50 N
B. 200 N
C. 800 N
D. 2000 N
20
The ball started at the top of the
big hill. What kinds of energy
does it have in this position?
A. Kinetic
B. Potential
C. Kinetic & Potential
21
A ball is dropped from a 10 m cliff.
Which quantity DON’T you know (until you calculate it!)?
A. a
22
B. vi
C. d
D. vf
A car and a truck hit in a head-on collision. Is
there more force on the car or truck?
A. Car
B. Truck
C. depends on which was going faster
D. None of the above
23.
What quantity is labeled?
A. r
B. FE
C. dE
D. dR
E. MA
24
ENERGY
A. m/s2
25
ACCELERATION
B. Joule
26
FORCE
C. kilogram
27
MASS
D. Newton
28
When we use this in lab, what
are we usually measuring?
A. Time
B. Applied Force
C. Weight
D. Centripetal Force
E. Statistics
29
What method is this?
A. Breaking Into Components
B. Parallelogram
C. Tip to tail
30 Which of these is NOT a vector?
A. velocity
B. time
C. force
31. What class lever is a wheel barrow?
A. 1st
B. 2nd
C. 3rd
D. 4th
32
What is the force diagram for the
Yellow box?
A.
B.
C.
D.
33.
If he pulls the wagon 10 meters,
how much work is done?
A. 200 J
B. < 200 J
C. > 200 J
34
What are the fundamental units that make up a
JOULE?
A. kg-m/s2
B. kg/m-s
D. None of the above
35
What is the equation for WORK?
A. Force x time
B. Force x dictance
C. distance / time
D. none of the above
C. kg-m2/s2
36
What is the equation for energy stored in a spring?
A. ½ mv2
37
B. mv
C. kx
D. ½ kx2
What is the tendency of an object to resist change in
motion?
A. buoyancy
B. torque
C. momentum
D. inertia
38
What is the force that opposes motion ?
A. Weight
39
B. Friction
C. Tension
D. Inertia
How long is the loveseat
in CENTIMETERS?
A. .0195 cm
B. .195 cm
C. 195 cm
D. 1950 cm
1.95 m
(Mr Tarman & Nick fell asleep waiting for Santa )
40 What kind of energy does a compressed spring have?
A. Kinetic Energy
B. Elastic Potential Energy
C. Gravitational Potential Energy
41
What kind of energy is stored in food?
A. kinetic energy
B. solar energy
C. chemical potential energy
D. elastic potential energy
42
Is this a reasonable diagram to show the position of a
puck every .2 seconds as it slides off the end of a
frictionless table?
A. Yes
B. No
43
“Rate of change in velocity” is
A. acceleration
B. work
C. displacement
D. impulse
E. power
A
44
Which line on the DT graph
shows a person standing still
in a positive position?
B
C
D
45
What is force in a rope?
A. friction
B. torsion
C. tension
D. normal force
46
Which VT graph below
shows the same motion as
this DT graph?
A.
B.
C.
47
A box is accelerated up a ramp with friction
Which is an equation from the
diagram?
A. FA = W + Ff
B. FA - W|| - Ff = FNET
C. W = FN
D. FA - W + Ff = FNET
48
How many KILOGRAMS is 500 grams?
A. 500
B. 500,000
C. .500
D. 4.9
49
3m
Which quantity don’t you know for the projectile?
A. Vi for vertical
C. d for vertical
B. a for vertical
D. d for horizontal
50
Which is NOT a unit to measure velocity?
A. miles/hr
B. cm/yr
C. $/hr
D. inch/day
51
What side of the triangle is THIS?
A. Opposite
B. Adjacent
C. Hypoteneus
52
What force is RED?
A. Tension
B. Friction
C. Centripetal
D. Normal
53
What is the best estimate for
the measure of the angle of
the vector?
A. 100º
B. 200º
C. 300º
D. 400º
54
••••••
Does this show ACCURACY,
PRECISION, or BOTH?
A. accuracy
B. precision
C. both
55
How many SIG FIGs?
A. 3
56
B. 4
567,000
C. 6
What shape is this curve?
A. Hyperbola
B. Ellipse
C.Parabola
57. When the pitcher throws the
ball to the catcher, who gives
the ball a greater change in
velocity?
A. pitcher
B. catcher
C. same for both
58. This pulley system changes……
A. the size of the force
B. the direction of the force
C. the size & direction of the force
D. none of the above
59 Balanced force : Constant speed :: Net force : ___________
A. friction
B. velocity
C. acceleration
D. mass
60. What class lever is
a canoe paddle?
A. 1st
B. 2nd
C. 3rd
D. 4th
61
Would an object have less mass
on the moon than on the earth?
A. YES
B. NO
62 Which pair is the components of this vector?
A.
B.
E. none of these
C.
D.
63.
How far will a brick
starting from rest fall
freely in 4.0 seconds?
A.
10 m
B.
20 m
C.
40 m
D.
80 m
E. 160 m
64.
The diagram shows a block
sliding down a plane
inclined at angle  with the
horizontal.
As angle  is increased, the coefficient of kinetic
friction between the bottom surface of the block
and the surface of the incline will…..
A. increase
B. decrease
C. remain the
same
65.A rollercoaster travels faster than the minimum
velocity around the loop.
What is the equation from
the force diagram when it
is at the top of the loop?
A. W - FN = FNET
B. W + FN = FNET
C. W = FN
D. W = FNET
66.What is the equation from the force diagram
for one of these balloons?
A. T = FB
B. W = FB
C. W - FB = FNET
D. FB - W = FNET
E. none of the above
67.
As an object falls freely, the kinetic
energy of the object
A. increases
B. decreases
C. remains the same
68. What is the IMA of this set of pulleys?
A. 2
B. 3
C. 4
D. 5
69. The ball is whirled at constant speed in
a vertical circle with a string. What is
the direction is the NET force when it
is in this position?
A. Right
B. Left
C. Up
D. Down
E. There is no net force
70. What is the NET torque?
A. 3 N-m clockwise
B. 3 N-m counter clockwise
C. 17 N-m clockwise
D. 17 N-m counter clockwise
E. 65 N-m clockwise
71.The candle is floating in water.
FB = Vg
Which statement is NOT true?
A. the weight of the candle = buoyant force
B. V is the volume of fluid displaced
C.  is the density of wax
D. there is no normal force on the candle
E. all statements are true
72
Which VT graph below shows the same motion as the DT
graph above?
A.
B.
D. None of the above
C.
7
7
7
7
77.
If both balls have the same mass & are
submerged in water, which is the same
for both balls?
A. the fluid displaced
B. the tension in the string
C. the equation from the
force diagram
A. the density of the balls
B. NONE of the above
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