wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

TOPIC 3_UNIVERSAL LAW OF GRAVITATION

Total questions: 30

Worksheet time: 45mins

Name
Class
Date
1.
Which one of the following statements concerning the two “gravitational constants” G, the universal constant,  and g the magnitude of the acceleration due to the gravity is true?
a)
The value of G and g depend on location
b)
The value of g is the same everywhere, but the value of G is not. 
c)
The value for G is the same everywhere, but the value of g is not. 
d)
The value of G and g are equal. 
2.

What is the value of G and g respectively?

a)

G = 6.67 x 10-11 N.m2/kg2

g = -9.80 m/s2

b)

G = 6.67 x 1011 N.m2/kg2

g = -9.80 m/s2

c)

G = 6.67 x 10-11 N.m2/kg2

g = 9.80 m/s2

d)

G = 6.67 x 1011 N.m2/kg2

g = 9.80 m/s2

3.

Which has greater gravitational force? Earth or moon? Why?

a)

Earth, because it has more mass than the moon.

b)

Moon, because it has more mass than the moon.

c)

Earth, because it has less mass than the moon.

d)

Moon, because it has less mass than the moon.

4.

Which will take more force to launch a rocket? Earth or moon, why?

a)

Earth, because it has more mass. Thus, it has more gravitational force and the stronger the pull.

b)

Moon, because it has more mass. Thus, it has more gravitational force and the stronger the pull.

c)

Earth, because it has less mass. Thus, it has less gravitational force and the weaker the pull.

d)

Moon, because it has less mass. Thus, it has less gravitational force and the weaker the pull.

5.

What is gravitational lensing?

a)

The bending of light due to the strong gravity produced by massive stars.

b)

The scattering of light due to the strong gravity produced by massive stars.

c)

The refraction of light in a gravitational field.

d)

The absorption of light by a massive object.

6.

Which of the following is a consequence of strong gravitational lensing?

a)

Multiple images of the same distant object.

b)

Change in the color of light.

c)

Polarization of light.

d)

Dispersion of light.

7.

Where will the astronauts feel more weightless in the outerspace? Why?

a)

Near the earth, because of its greater mass, thus, greater gravitational force.

b)

Near the earth, because of its greater mass, thus, weaker gravitational force.

c)

Near the moon, because of its greater mass, thus, greater gravitational force.

d)

Near the moon, because of its lesser mass, thus, weaker gravutational force.

8.

Where will the astronauts feel more weightless in the outerspace? Why?

a)

Near the earth, because of its greater mass, thus, greater gravitational force.

b)

Near the earth, because of its greater mass, thus, weaker gravitational force.

c)

Near the moon, because of its greater mass, thus, greater gravitational force.

d)

Near the moon, because of its lesser mass, thus, weaker gravutational force.

9.
The gravitational force is: 
a)
A mutual force created by tension
b)
A mutual force that exists due to the charge of an object.
c)
A mutual force that exists due to the mass of an object. 
d)
A normal force. 
10.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
11.
What is the Universal law of gravitation equation? 
a)
G=F ⋅ m⋅m2/r2
b)
F=G ⋅ m⋅m2/(r)2
c)
F=G ⋅ r2/m⋅m2
d)
G=F ⋅ r2/m⋅m2
12.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
13.

Which configuration will result in the greatest gravitational force?

a)

small masses far apart

b)

large masses far apart

c)

small masses close together

d)

large masses close together

14.

How is the gravitational force between to objects related to their mass

a)

They are directly proportional

b)

They are inversely proportional

c)

They do not affect each other

d)

They are equal

15.

Why doesn't the Moon fall to the ground?

a)

It has too much mass to move

b)

It pulls Earth with an equal force

c)

It is fast enough to make a circle

d)

It is too far away to feel its gravity

16.

Why do astronauts bounce so high on the moon?

a)

The moon has more gravity

b)

The moon has no gravity

c)

The moon has less gravity

17.

The mass of most objects are too small for them to experience gravity between them.

a)

True

b)

False

18.

Why doesn't the sun pull us off the earth?

a)

It is too small

b)

It is too far away

c)

It is too big

d)

It is too close

19.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
20.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
21.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
22.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
23.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and matter
c)
distance and weight 
d)
weight and mass
24.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
25.
If Earth's mass was cut in half, what would happen to your weight?
a)
Increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, weight is not affected by gravitational force
26.

When will the forces of gravity between two objects be the GREATEST?

a)

when the masses of both objects are small and the objects are far apart

b)

when the masses of both objects are large and the objects are close together

c)

when the masses of both objects are small and the objects are close together

d)

when the masses of both objects are large and the objects are far apart

27.

When will the gravity between two objects be the LEAST?

a)

when the masses of both objects is small and the objects are close together

b)

when the masses of both objects is small and the objects are far apart

c)

when the masses of both objects is large and the objects are close together

d)

when the masses of both objects is large and the objects are far apart

28.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
29.
Which system has the greater gravitational attraction between the two objects (if any)?
a)
System A
b)
System B
c)
Same gravitational attraction fro System A and System B
30.
Which System has the greater gravitational pull between the two objects?
a)
System 1
b)
System 2
c)
Same: there is no gravitational attraction between the two objects