NEW
Font size
S
M
L
XL
WorksheetsSkills Check 3-2 Review
Total questions: 42
Worksheet time: 35mins
Name
Class
Date
1.
A horse gallops around a circular arena. The centripetal force on the horse is ___.
a)
directed outward
b)
tension
c)
directed toward the center of the arena
d)
9.8 N
2.
Which of the following terms means "center seeking"?
a)
centrifugal
b)
centrifuge
c)
centripetal
d)
centenarian
3.
Centripetal acceleration always points:
a)
in the direction of the object's motion
b)
in the opposite direction of the object's motion
c)
towards the center of the circle
d)
towards the outside of the circle
4.
Which of the following depict the speed of the blowing ball?
a)
A
b)
B
c)
C
d)
D
5.
According to Galileo, objects fall at the same acceleration regardless of ____________.
a)
Gravity
b)
Mass
c)
Force
d)
Size
6.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?
What would the force between them be if the distance between them were doubled?
a)
9
b)
18
c)
72
d)
144
7.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were divided by 2?
What would the force between them be if the distance between them were divided by 2?
a)
9
b)
18
c)
72
d)
144
8.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if both of the masses were doubled?
What would the force between them be if both of the masses were doubled?
a)
9
b)
18
c)
72
d)
144
9.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance and both masses were doubled?
What would the force between them be if the distance and both masses were doubled?
a)
9
b)
18
c)
36
d)
72
10.
Calculate the centripetal force required to make a 5 kg ball move 4 m/s in a circle with a radius of 2 m.
a)
10 N
b)
20 N
c)
30 N
d)
40 N
11.
Which of the following is the unit for centripetal force?
a)
J
b)
m/s2
c)
kg⋅m/s
d)
N
12.
What happens to the centripetal force exerted on an object if you triple the velocity?
a)
it increases to 3X
b)
it decreases to 6X
c)
it increases to 6X
d)
it increases to 9X
13.
Which statement describes a vector?
a)
It has magnitude but no direction
b)
It has direction but no magnitude
c)
It has both direction and magnitude
d)
It has constant magnitude but no
direction
direction
14.
A car travels with a constant speed in a circle. The net force on the car is
a)
zero.
b)
directed forward.
c)
directed toward the center.
d)
directed outward, away from the center.
15.
Who created the Universal Law of Gravitation?
a)
Copernicus
b)
Newton
c)
Kepler
d)
Galileo
16.
Any object with mass is surrounded by a gravitational field.
a)
True
b)
False
c)
Inconceivable
d)
Star Wars!
17.
Any object with a mass is surrounded by a gravitational field in which another object experiences a force due to the interaction between its ____ and the gravitational field at its location
a)
force
b)
velocity
c)
acceleration
d)
mass
18.
If you went to the moon, would your weight change?
a)
Yes
b)
No
c)
Maybe
19.
A particle P is moving in a circle with uniform speed. Which one of the following diagrams correctly shows the direction of the acceleration a and velocity v of the particle at one instant of time?
a)
A
b)
B
c)
C
d)
D
20.
The gravitational force between 2 objects is 100 N. What is the gravitational force between the objects if the distance between them is cut in half?
a)
200 N
b)
100 N
c)
25 N
d)
400 N
21.
The gravitation force between 2 objects is 100 N. What will be the force between the objects if the mass of 1 of the objects is cut in half?
a)
400 N
b)
50 N
c)
200 N
d)
150 N
22.
What happens to an object's speed as the radius decreases?
a)
It increases.
b)
It decreases.
c)
It remains unchanged.
23.
The velocity is always _____ to the line of a circle.
a)
outwards
b)
towards the center
c)
tangent
d)
faster
24.
What is the magnitude of G for the exoplanet Kepler 37B?
a)
0.25 N m2/kg2
b)
6.67 X 10-11 N m2/kg2
c)
4 N m2/kg2
d)
20 N m2/kg2
25.
Which is larger, the Sun's pull on the Earth or Earth's pull on the Sun?
a)
THe Sun's pull on the Earth is larger.
b)
THe Earth's pull on the Sun is larger
c)
They pull on each other equally
d)
The Sun's pull on the Earth is twice as large as Earth's pull on the Sun.
26.
As distance separating the objects increases the force
a)
increases
b)
decreases
c)
stays the same
27.
La unidad del Período puede ser
a)
m/s
b)
s-1
c)
s
d)
Hz
28.
An unbalanced force that causes objects to move in a circular path is called...
a)
free fall
b)
terminal velocity
c)
projectile motion
d)
centripetal force
29.
Attracts all objects towards each other
a)
gravity
b)
mass
c)
weight
d)
inertia
30.
Every object in the universe attracts every other object.
a)
Law of Universal Gravitation
b)
Mass and Distance
c)
Inertia
d)
Newton's First Law of Motion
31.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
32.
The force of gravity on an object
a)
mass
b)
weight
c)
volume
d)
inertia
33.
What keeps the moon in orbit around Earth?
a)
Mass & distance
b)
Mass & weight
c)
Inertia & gravity
d)
Gravity & mass
34.
As an object's mass increases, its gravitational pull will ____________.
a)
decrease
b)
increase
c)
stay the same
d)
get weaker
35.
Which of these best describes why your weight (on Earth) would change on another planet?
a)
Dehydration effects on different planets change weight.
b)
In general, the smaller the planet, the greater weight
c)
Different planets have different gravitational pulls
d)
Weight does not change, no matter where you are.
36.
Which of these is true
a)
All matter has mass; all mass is affected by gravity
b)
Only the Earth’s gravity affects matter.
c)
Only the Earth’s and sun’s gravity affects matter
d)
The ohio state buckeyes are a good football team.
37.
The law of universal gravitation describes the relationship between which forces
a)
Speed, velocity, and acceleration
b)
Speed, distance, and time
c)
Force, mass, and distance
d)
ketchup, mustard, mayo
38.
If you whirl a tin can on the end of a string and the string suddenly breaks, the can will
a)
fly directly away from you.
b)
fly off, tangent to its circular path.
c)
fly directly toward you.
d)
spiral away from your hand.
39.
Which of the following will not change in different gravitational fields?
a)
weight
b)
force
c)
mass
d)
pounds
40.
who is this character?
a)
a triangle
b)
bill cipher
c)
illuminati
d)
all of them
41.
What is this pony's name?
a)
Fluttershy
b)
Twillight Sparkle
c)
Noddy
d)
Rarity
42.
what is spongebobs house
a)
hawaii house
b)
anchor
c)
pineapple
d)
rock
Reset
