Physics Final Review:
1.
2.
3.
Name:
4.
A factor that affects the behavior of a system is called a(n):
A variable that remains unchanged throughout an experiment is called the:
Which of the lists show units arranged in order from smallest to largest? (1b)
a. Millimeter, centimeter, kilometer, meter
b. Centimeter, meter, kilometer, millimeter
c. Millimeter, centimeter, meter, kilometer
d. Meter, kilometer, millimeter, centimeter
The speed of a cheetah running 300 yards in 10 seconds is:
5.
Which has more inertia a bowling ball or a soccer ball traveling at the same speed?
6.
If the net force acting on a moving object is zero, the object will: (2a)
7.
The rate of change in the speed of an object is known as:
8.
Acceleration of an object must be caused by a force that is: (2b)
9.
Two forces are applied to a 2.0-kilogram block on a frictionless, horizontal surface, as shown in the following diagram:
10.
A ball is dropped off the roof of a tall building. If the ball reaches the ground in 3 seconds, how tall is the building?
11.
The slope of a position versus time graph represents
12.
Sketch a distance vs time and a speed vs. time graph for an object that accelerates for 5 seconds, moves at a
13.
Even though every action force has an equal but opposite reaction force, they do not cancel one another and motion
may still occur because the
a. action and reaction forces are applied to the same object.
b. action and reaction forces are applied to different objects.
c. two forces have different magnitudes.
d. two forces have equal magnitudes.
14.
If a 40,000 kilogram rocket were traveling from its launch pad at a speed of 150 meters per second, 800 kilograms of
gases would be expelled from the rocket at a speed of about:
15.
A 20-kilogram object falls 2.0 meters to the floor. At what point in its fall does the kinetic energy of a body equal its
potential energy?
16.
The diagram below represents a cart traveling from left to right along a frictionless surface with an initial speed of 3
m/sec. At what point is the potential energy least?
17.
The ability to cause change is defined as
18.
19.
As a ball is thrown upwards its potential energy
while its kinetic energy
Calculate the work done to lift a barbell weighing 150 newtons a distance of 1.5meters.
20.
Shawna, who weighs 54 kilograms, is roller blading on a level surface. If she is rolling at 12 meters per second, to what
height would she roll up an incline before stopping? (Assume there is no friction.)
21.
Jasmine, who weighs 400 newtons, moves up a 5.0-meter climbing wall in 15 seconds. The amount of power generated
by Jasmine as she climbs the wall is about ____ watts.
22.
Identify the six types of simple machines.
23.
In a machine the work output can never be greater than the work input because of:
24.
Most simple machine makes work seem easier by reducing the
by increasing the
over which the work is done.
Who does more work a weightlifter holding a 100 N barbell above his head or 10 year old walking up a 3 meter flight of
stairs?
25.
26.
The diagram pictures a pulley system using 7 supporting ropes
If the boy in the picture weighs 140 pounds, the number of pounds of force the baby must exert to lift the boy is
27.
The measure of how effective a machine is in using energy to do work is called
28.
29.
A measured quantity that is described by stating a size and a direction is called a
Vector quantities include all of the following EXCEPT
a. Acceleration
b. Force c. Speed
d. Momentum
Jade pulls on a wagon with 3 newtons of force toward north. Lara pulls on the wagon with 4 newtons of force toward
east. The magnitude of the wagon’s resultant force is ____ newton(s).
30.
31.
The diagram below represents a force acting at point P:
The pair of forces that could represent x and y components of this force are:
32.
The force that resists the motion of objects or surfaces in contact with one another is called ____ force
33.
Of the following, the one that would NOT be considered a projectile is a
A. crow flying between trees.
C. tennis ball hit by a star tennis player.
B. football thrown by a high school quarterback
D. fox jumping over a wall.
Jennifer and Tamar throw a snowballs at the same time horizontally from a height of 1.5 meters. Jennifer throws hers
at a speed of 6.0 meters per second. If Tamar throws hers at 12 meters per second, her snowball will:
a. travel the same distance as Jennifer’s before hitting the ground
b. hit the ground later than Jennifer’s
c. travel the half the distance as Jennifer’s before hitting the ground
d. hit the ground at the same time as Jennifer’s
A stunt car driver traveling at 30 meters per second drives his car off a 20 meter high cliff. If it takes 2.05 seconds for
the car to hit the ground how far from the base of the cliff does the car hit?
34.
35.
36.
37.
The ____ is one kind of particle that makes up the atom and carries a positive charge
Atoms with the same atomic number but different atomic mass are called
38.
39.
in the
of an atom.
The atomic number is the it number of
Compare electrons, neutrons and protons in terms of location, charge and mass.
40.
What is the electric charge of an atom with the same number of protons and electrons?
13
The periodic table notation for carbon-13
13 (C ) is shown below
41.
42.
Referring to the above diagram, how many protons, electrons, and neutrons does carbon
carbon-13
13 have?
Referring to the above diagram, what is the atomic number for carbon
carbon-13?
43.
In a simple circuit
supplies the energy that allows
to flow to devices that
use the energy known as
A stereo receiver is plugged into a 120
120-volt
volt outlet. If the receiver has a resistance of 240 ohms, how much current does
it use? (13a
44.
45.
Suppose you connect more and more light bulbs in series to a battery. What happens to the brightness of each bulb as
you add more bulbs?
The diagram below pictures three identical light bulbs, each with a resistance of 1 ohm, which are connected by resistance-free
resistance
wires. A 9-volt
volt battery supplies energy to the ccircuit
46.
47.
Figure 14-1A\
What type of circuit is the circuit in Figure 14
14-1A?
The total resistance for the circuit shown in Figure 14
14-1A is:
48.
The current for the circuit shown in Figure 14-1A is
49.
50.
When a new branch containing a resistor is added to a parallel circuit, the total circuit resistance:
Suppose you rub an inflated party balloon on a carpet, hold the balloon next to a wall, and discover that it “sticks” to
the wall. Why did the balloon stick to the wall?
51.
52.
53.
The measure of the number of cycles per second is called
The amount of time required for one cycle to occur is called the
A pendulum makes one complete swing over and back in 2.2 seconds. Its frequency is
54.
An insect moves its wings up and down 144 times in three seconds. The pe
period
riod of this movement is
55.
56.
The diagram below represents a graph of harmonic motion:
One cycle of the motion is represented by the distance from
from:
57.
The graph below represents position versus time for the amplitude of a pendulum that was allowed to swing for four
seconds:
Which letter correctly identifies the amplitude of the pendulum?
58.
59.
A sound wave, generated at a frequency of 440 hertz has a wavelength of 2.3 meters as it travels through a solid
material. The approximate speed of the wave is ____ m/sec.
Talia pulls her younger brother in a wagon 30 meters to the top of a ramp 3 meters high. If the ramp is frictionless, the
mechanical advantage of this ramp is:
60.
In a machine the work output can never be greater than the work input because of:
61.
62.
Without using a calculator multiply 100 x 100
Convert 15 m/s to mi/hr:
63.
How many centimeters are in 1525 km?
64.
Write 12345.67 in scientific notation:
65.
4.78 x 10
66.
67.
The value of the prefix kilo is:
The conversion factor for changing one unit of length to another in the metric system is a multiple of:
68.
A water rocket is launched at 50km/hr at an angle of 65º. Determine the x and y coordinates of this vector
69.
The type of wave where particles vibrate parallel to the direction of motion
70.
A person sings a note and a nearby wine glass breaks. This is an example of
71.
What is the most accurate reading for the length of the line below is centimeters and millimeters? Be sure to measure
with proper precision (correct decimal point)
written in standard form is
______________________________________________________________________
72.
Determine the total (equivalent) resistance of the circuit below if A has a resistance of 8 ohms, B is 7 ohms, C is 4 ohms,
and D is 3 ohms
Interpret the graph below.
73.
What is happening between points B and C?
74.
How far did the object move points B and C?
75.
When were the forces acting on the object balanced? Unbalanced?
A student does an experiment with a string vibrating at 20 hertz and observes the resonance pattern shown in the diagram
76.
The speed of the wave on the string is ____ m/sec.
77.
Waves carry
78.
A rocket can fly into space because:
a. the exhaust gases push against the ground and the ground, in turn, pushes the rocket.
b. the rocket pushes on exhaust gases and the exhaust gases push back on the rocket.
c. as the fuel burns, the rocket’s mass decreases reducing the force of gravity on the rocket.
d. the launch pad absorbs momentum that it impar
imparts to the rocket.
79.
Eric is pedaling his bicycle due west on the Mohawk River bicycle path at a constant speed of 17 miles per hour. As he is
pedaling, a 3 mile per hour wind is blowing from the east. What is the net force acting on the bicycle?
from one point to another, but the actual particles move very little.
80.
Give the most common metric unit for each of the following measurements
Momentum
81.
Current
82.
Power
83.
Mass
84.
Resistance
85.
Acceleration
86.
Work
87.
Force
88.
Distance
89.
Speed
90.
Frequency
91.
Voltage