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WorksheetsGravity and Motion
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
When an object free falls around another object in space.
a)
terminal velocity
b)
projectile motion
c)
orbit
d)
rocket science
2.
A curved path that an object takes when it is near a planet's surface.
a)
projectile motion
b)
free fall
c)
terminal velocity
d)
orbit
3.
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
4.
this occurs when only gravity is acting on an object
a)
terminal velocity
b)
free fall
c)
projectile motion
d)
air resistance
5.
When air resistance is equal to the force of gravity an object stops accelerating and has reached what?
a)
free fall
b)
terminal velocity
c)
projectile motion
d)
centripetal force
6.
If a feather and a hammer are dropped at the same time on the moon, where there is no atmosphere, which one will hit the ground first?
a)
Neither, there is no gravity on the moon.
b)
hammer because it has more mass
c)
feather because it has less mass
d)
both will hit at the same time
7.
Which of the following does not affect air resistance?
a)
speed
b)
shape
c)
size
d)
spelling
8.
Why does a ball at ground level move downwards?
a)
There is no force on the ball
b)
Gravity pulls the ball toward the ground
c)
A force pulls the ball in the direction it was thrown
d)
Forces pull on the ball in both directions
9.
Orbital motion is a combination of forward motion and ...
a)
frictional resistance
b)
free fall caused by gravity
c)
horizontal acceleration
d)
weightlessness
10.
What is the acceleration due to gravity on earth?
a)
9.8 m/s
b)
9.8 m/s2
c)
3.14 m/s2
d)
3.14 m/s
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