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Worksheetsgravitational law
Total questions: 10
Worksheet time: 20mins
Name
Class
Date
1.
The definition of gravitational field strength is:
a)
The region of space surrounding a body where other bodies will feel an attractive force due to it.
b)
The region of space surrounding a body where other bodies will feel an repulsive force due to it.
c)
The region of space surrounding a charge where other charges will feel an attractive force due to it.
d)
The region of space surrounding a charge where other charges will feel an repulsive force due to it.
2.
In this equation...
a)
G is the gravitational field strength
b)
r is the distance between the 2 masses
c)
F is the repulsive gravitational force
d)
m is the momentum of the mass
3.
The gravitational field strength of Earth is...
a)
uniform far away from the surface and radial close to the surface
b)
uniform close to the surface and radial far away from the surface
4.
As mass decreases, gravitational force does what?
a)
Increases
b)
Decreases
c)
Remains the same
d)
Changes
5.
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
6.
As distance separating the objects increases the force
a)
increases
b)
decreases
c)
stays the same
7.
What happens to Gravitational force if I double both of the masses but don't change their distance?
a)
doubles
b)
half as big
c)
4x bigger
d)
4x smaller
8.
Find the force due to gravity if the mass of the object is 2300 kg and the mass of the other object is 4000 kg. The distance between the two objects is 0.150 m.
a)
0.00409 N
b)
244 N
c)
0.027 N
d)
6.14x10-4 N
9.
Find the force due to gravity if the mass of the object is 20kg and the mass of the other object is 40 kg. The distance between the two objects is 3 m.
a)
5.36x10-9 N
b)
88N
c)
5.9x10-9 N
d)
6.14x10-4 N
10.
Find the distance between two objects if the mass of one object is 66 x104kg and the mass of the other object is 46x104 kg. The Force of gravity is 102 N
a)
5.36x10-9 m
b)
88m
c)
0.02m
d)
6.14x10-4 m
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