wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Law of Universal Gravitation and Hooke's Law Practice

Total questions: 35

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
What states that "every object in the universe attracts every other object"?
a)
Law of Universal Gravitation
b)
Newton's First Law of Motion
c)
My mother
d)
Inertia & gravity
2.
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
3.
Force of gravity is directly proportional to
a)
Mass
b)
Weight
c)
Distance
d)
Time
4.
If I double the distance between two objects, what happens to their gravitational Force?
a)
4x bigger
b)
4x smaller
c)
2x bigger
d)
2x smaller
5.
If I double the mass of one object, but don't change anything else... WHat happens to the gravitational force between two objects?
a)
Doubles
b)
Quadruples
c)
Cut in Half
d)
4x Smaller
6.
The law of universal gravitation is credited to whom?
a)
Einstein
b)
Galileo
c)
Darwin
d)
Newton
7.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
8.
Complete the following statement: The farther away two planets are the _______ the gravitational force between them.
a)
more
b)
same
c)
dosen't matter
d)
less
9.

Calculate the gravitational force between two objects when they are 0.750m apart. Each object has a mass of 5.00kg.

a)

2.96x10-9N

b)

3.00x10-6N

c)

2.22x10-9N

d)

2.23x10-8N

10.

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

11.

If the distance between 2 masses is increased then the force of gravitation between them will...

a)

increase

b)

decrease

c)

stay the same

12.

If the mass of either m1 or m2 is increased then the force of gravitation between them will...

a)

increase

b)

decrease

c)

stay the same

13.

Which of the following formulas is the correct equation for the law of Universal gravitation?

a)

F=GM1M2d2F=\frac{GM_1M_2}{d^2}

b)

F=mgF=mg

c)

F=Gd2m1m2F=\frac{Gd^2}{m_1m_2}

d)

F= F=KQ1Q2d2F=\frac{KQ_1Q_2}{d^2}

14.

Which 2 answers provide the best definition of the value 'k'?

a)

k is the stiffness coefficient

b)

k is the spring constant

c)

k is the specific spring number

d)

k is the kinetic energy needed to stretch the spring

15.
A spring has a spring constant of 5N/cm.  What is its extension when loaded with 15N?
a)
4cm
b)
5cm
c)
3m
d)
3cm
16.
A spring extends 1.5m under load 10N. What is its spring constant?
a)
0.15N/m
b)
10N/m
c)
6.7N/m
d)
15N/m
17.
What Quantity can you calculate from the graph and give the magnitude of that quantity.  
a)
distance 4.5 m
b)
Force 15 N
c)
spring constant 20 N/m
d)
spring constant 200 N/m
18.
Which statement most accurately represents Hooke's Law?
a)
a) Extension of a spring is proportional to the force applied.
b)
b) Extension of a spring is proportional to the number of coils.
c)
c) Extension of a spring is inversely proportional to the force applied.
d)
d) Thickness of a spring wire is proportional to the force applied.
19.

Which of the following best describes the relationship shown in the graph

a)

The greater the force applied to the bungee, the greater the extension

b)

The greater the force applied to the bungee in Newtons, the greater the extension in metres

c)

The less force applied to the bungee, the less it extends

d)

The less force applied to the bungee in Newtons, the less it extends in metres

20.
A stiff material has a:
a)
high spring constant
b)
low spring constant
c)
spring constant of any value
d)
spring constant which is difficult to predict
21.

Select a logical prediction for the investigation.

a)

As the force applied to the spring increases, the extension of the spring will decrease.

b)

As the force applied to the spring increases, the extension of the spring will stay the same

c)

As the force applied to the spring increases, the extension of the spring will also increase.

22.

For this spring, as the force increases, the extension increases proportionally. What would you expect to happen to the extension if the force was doubled?

a)

The extension would stay the same.

b)

The extension would double

c)

The extension would halve

23.

Calculate the gravitational force between two objects when they are 0.750m apart. Each object has a mass of 5.00kg.

a)

2.96x10-7N

b)

3.00x10-9N

c)

2.22x10-9N

d)

2.23x10-8N

24.

What is the value of the Universal Gravitation Constant (G)?

a)

6.67 x 10^11 Nm²/kg²

b)

9.81 m/sec²

c)

3.5 x 10^22 N

d)

10 m/s²

25.

What is the gravitational field near the surface of the Earth?

a)

9.81 m/sec²

b)

6.67 x 10^11 Nm²/kg²

c)

3.5 x 10^22 N

d)

10 m/s²

26.

What does the gravitational force depend on?

a)

Mass and distance

b)

Velocity and time

c)

Acceleration and force

d)

Energy and power

27.

What is the actual weight of an object?

a)

The gravitational force acting upon a body caused by a planet or star

b)

The psychological illusion and heaviness feeling of an object

c)

The weight calculated by mass times the gravitational field

d)

The weight calculated by mass times the acceleration

28.

Newton's Law of Universal Gravitation affects

a)

All objects with mass in the known universe

b)

All objects and empty space in the known universe

c)

Thoughts and Ideas

d)

Only things that are the color red

29.

If one of two objects increases its mass, it _________ the gravitational pull between the two objects

a)

increases

b)

decreases

c)

has no effect on

d)

eliminates

30.
Force of gravity is inversely proportional to
a)
Mass
b)
Weight
c)
Distance
d)
Time
31.
Force of gravity is directly proportional to
a)
Mass
b)
Weight
c)
Distance
d)
Time
32.
Why would you weigh less on the moon?
a)
less air
b)
less sunlight
c)
there is no water on the moon
d)
less gravitational pull
33.
What would have the greatest gravitational pull on each other?
a)
two small objects close together
b)
a large and small object far apart
c)
two large objects close together
d)
all choices are correct
34.

What is potential energy?

a)

The energy an object has due to its position or condition.

b)

The energy an object has due to its motion.

c)

The energy an object has due to its chemical composition.

d)

The energy as object has due to its atomic structure.

35.

Elastic potential energy is energy stored in an object, such as a spring, due to the object being stretched or compressed. In which position is it most likely that the spring has lost its elastic potential energy?

a)

W

b)

Y

c)

X

d)

Z