Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

7.1– Planetary Motion and Gravitation

Total questions: 10

Worksheet time: 51mins

Name
Class
Date
1.

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

2.
Which of the following is Newton's Law on Gravitation?
a)
F=Gm1m2/r
b)
F = Gm1m2/r2
c)
F = Gm1m2/2r
d)
F = m1m2/2r
3.
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
4.
Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance? 
a)
F/3
b)
F/2
c)
F/6
d)
F/9
5.

Calculate the force of attraction between Jupiter and Saturn. Jupiter has a mass of 1.898 x 1027 kg and Saturn has a mass of 5.683 x 1026 kg. The approximate distance between them is 7.786 x 1011 m.

a)

1.187 x 1020

b)

9.876 x 1019 N

c)

2.345 x 1020 N

d)

3.786 x 1020 N

6.

Kepler's third law is represented by the following equation:

a)
b)
c)
d)
7.

Find the force of gravitation between two 5.0 kg balls that are 1.5 m apart.
Use G=6.67×10−11 N.m2kg2G=6.67\times10^{-11}\ \frac{N.m^2}{kg^2}  

a)


1.5×10−10 N1.5\times10^{-10}\ N  

b)

7.4×10−10 N7.4\times10^{-10}\ N  

c)

1.1×10−9 N1.1\times10^{-9}\ N  

8.

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

9.

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

10.

Kepler's First Law states

a)

objects attract other objects with a force that is directly proportional to the product of their masses

b)

the square of the ratio of the periods of any two planets revolving around the Sun is equal to the cube of the ratio of their average distance from the Sun

c)

An imaginary line joining a planet and the sun sweeps out an equal area of space in equal amounts of time.

d)

Planets move about the Sun in an elliptical orbit with the Sun at one of the foci.