WorksheetsFinal Review Day 1
Total questions: 44
Worksheet time: 22mins
Name
Class
Date
1.
What color is it
a)
red
b)
green
c)
blue
d)
purple
2.
Defintion: Net force required to maintain an object's centripetal acceleration
a)
Centripetal force.
b)
Centripetal acceleration
c)
Centripetal velocity
3.
Find the centripetal acceleration of a bob on the end of a string that is 3 m long and is moving at 6 m/s?
a)
12 m/s^2
b)
2 m/s^2
c)
18 m/s^2
d)
4 m/s^2
4.
What is the centripetal force of a 5 kg mass moving at 2 m/s in a 10 m radius circle?
a)
2 N
b)
4 N
c)
1 N
d)
10 N
5.
Assume something is traveling in a circular orbit at a constant speed. Is the velocity staying constant?
a)
No because the direction is constantly changing
b)
Yes because velocity is speed
c)
Yes because the direction is the same
6.
Assume something is traveling in a circular orbit around the earth at a constant speed. The acceleration is...
a)
directed inward to the middle of the circle
b)
directed outward
7.
Matching: This scientist meticulously recorded planetary data for years in his observatory.
a)
Brahe
b)
Kepler
c)
Einstein
d)
Galileo
8.
Matching: This scientist was a student of Brahe who took the data and developed the 3 planetary laws of motion.
a)
Brahe
b)
Kepler
c)
Einstein
d)
Galileo
9.
Matching: This scientist proved that mass curves space.
a)
Brahe
b)
Kepler
c)
Einstein
d)
Galileo
10.
Matching: This scientist proved that all objects fall at the same rate when neglecting air resistance.
a)
Brahe
b)
Kepler
c)
Einstein
d)
Galileo
11.
You weigh 300 N on earth. How much would you weigh on a planet that has twice the mass and twice the radius?
a)
150 N
b)
600 N
c)
75 N
d)
100 N
12.
As an object moves away from earth its weight...
a)
decreases
b)
increases
c)
stays the same
13.
What keeps a satellite in orbit?
a)
gravitational force = centripetal force
b)
gravitational force is more than centripetal force
c)
gravitational force is less than centripetal force
14.
Gravitational force and acceleration of gravity varies with distance how?
a)
Inversely and Exponentially
b)
Linearly and Directly
15.
Gravitational force varies with mass how?
a)
Directly and Linearly
b)
Exponentially and Inversely
16.
If you triple your mass and increase your distance from the center of the earth by 5 how much more do you weigh?
a)
Weight decreases by 3/25
b)
Weight decreases by 3/5
c)
Weight increases by 3/25
d)
Weight increases by 3/5
17.
Which is NOT one of Newton's three laws of motion
a)
Inertia
b)
F= ma
c)
Action- Reaction
d)
All are true
18.
What is the gravity of a 5 kg mass that has a force of 25 N in Earth's graviational field?
a)
g= 5
b)
g= 125
c)
g= 120
d)
g= 1/5
19.
Force of attraction between 2 objects is directly proportional to the masses and inversely proportional to the distance between their centers squared
a)
Newton's Law of Universal Gravitation
b)
Newton's Law of Inertia
c)
Newton's Law of equal and opposite reactions
20.
Which of the following is NOT one of Kepler's 3 laws of planetary motion?
a)
Planets follow an elliptical path around the sun with the center of the sun at one focus
b)
Planets sweep out equal areas in equal time intervals and planets move the fastest when they are the closest to the sun
c)
(Ta/Tb)^2= (ra/rb)^3
d)
They are all correct
21.
What is constructive interference?
a)
Waves add together (antinode)
b)
Waves cancel one another at least partially (node)
22.
What is destructive interference?
a)
Waves add together (antinode)
b)
Waves cancel one another at least partially (node)
23.
Area of no displacement in a wave.
a)
Node
b)
Antinode
24.
area of maximum displacement
a)
Node
b)
Antinode
25.
Which wave needs a medium to travel.
a)
Mechanical Wave
b)
Electromagnetic Wave
c)
Longitudinal Wave
d)
Transverse Wave
26.
Which wave: Transverse, Perpendicular, does NOT need a medium, Light
a)
Electromagnetic Wave
b)
Mechanical Wave
c)
Longitudinal Wave
d)
Transverse Wave
27.
Which Wave: amplitude is parallel to wavefront
a)
Electromagnetic Wave
b)
Transverse Wave
c)
Longitudinal Wave
d)
Mechanical Wave
28.
Which Wave: amplitude is perpendicular to wavefront
a)
Electromagnetic Wave
b)
Longitudinal Wave
c)
Transverse Wave
d)
Mechanical Wave
29.
A sound wave is a __________ wave.
a)
Mechanical
b)
Electromagnetic
30.
A light wave is a __________ wave.
a)
electromagnetic wave
b)
mechanical wave
31.
__________ of a wave depends only upon the source
a)
Frequency
b)
Wavelength
c)
Period
32.
If a wave with a wavelength of 10nm travels at the speed of light, what is its frequency?
a)
3 X 10^16 Hz
b)
3 X 10^10 Hz
c)
1 X 10^ 16 Hz
d)
3 X 10^8 Hz
33.
A wave has a frequency of 25 Hz. What is its period?
a)
0.04 s
b)
0.25 s
c)
250 s
d)
.4 s
34.
How long will it take to hear a duck quacking if it is 100 m away?
a)
.2915 s
b)
.343 s
c)
50 s
d)
.5 s
35.
What is the speed of sound?
a)
343 m/s
b)
3 X 10 ^8 m/s
c)
150 m/s
36.
What is the speed of light?
a)
343 m/s
b)
3 X 10^8 m/s
c)
100 m/s
37.
Doppler Effect
a)
the apparent shift in velocity when the source or detector moves.
b)
the apparent shift in frequency when the source or detector moves.
c)
the apparent shift in wavelength when the source or detector moves.
38.
Each 10 dB increase in sound, intensity increases by a factor of _____ and loudness increases by a factor of _____ times.
a)
10 , 2
b)
2, 10
c)
10, 5
d)
5, 2
39.
Sound travels fastest in a ______ and slowest in a _____
a)
solid, gas
b)
gas, solid
c)
vacuum, solid
d)
solid, vacuum
40.
Sound does NOT travel in a ...
a)
Vacuum
b)
Solid
c)
Gas
41.
Match: the tendency of a system to oscillate at larger amplitudes at some frequencies than others.
a)
Resonance
b)
Pendulum
c)
Wavelength
42.
Sonar, dog whistles and ultrasound all use...
a)
sound waves
b)
light waves
43.
Finish the 7 bands of electromagnetic spectrum from longest to shortest wavelength: Radio, Microwave, Infared...
a)
Visible, Ultraviolet, x-ray, gamma
b)
Ultraviolet, Visible, x-ray, gamma
c)
Visible, X-ray, Ultraviolet, gamma
44.
In the electromagnetic spectrum, listing the bands from longest to shortest wavelength is also the same as:
a)
lowest to highest frequency
b)
Highest to lowest frequency
100 %
