WorksheetsForces and Motion
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
The amount of matter in an object is its _________________.
a)
Volume
b)
mass
c)
density
d)
gravity
2.
When gravity changes, the __________________ of an object changes.
a)
mass
b)
weight
c)
air resistance
d)
none of the above
3.
The tendency of all objects to resist any change in motion is called ______________.
a)
free fall
b)
projectile motion
c)
inertia
d)
newtons
4.
_____________________ occurs when only the force of gravity is happening on the object.
a)
Free fall
b)
Terminal velocity
c)
Inertia
d)
Air resistance
5.
__________________________ is the curved path something follows when it is thrown near Earth's surface.
a)
Terminal velocity
b)
Projectile motion
c)
Centripetal Force
d)
Free fall
6.
The unbalanced force that causes objects to move in a circular path is called a(n)__________________.
a)
centripetal force
b)
inertia
c)
free fall
d)
projectile motion
7.
All forces act in pairs (equal and opposite reactions) can be associated with Newton's ___________law.
a)
1st
b)
2nd
c)
3rd
d)
4th
8.
An object's acceleration increases as force on the object increases (force equals mass times acceleration) can be related to Newton's ________ law.
a)
1st
b)
2nd
c)
3rd
d)
4th
9.
An object in motion stays in motion and an object at rest will stay at rest, unless acted on by an outside force -relates to Newton's ____________ law.
a)
1st
b)
2nd
c)
3rd
d)
10th
10.
What happens to the gravitational force between objects when they move closer together?
a)
It increases
b)
It decreases
c)
It does not change
d)
It has no pattern
11.
What type of motion does a thrown snowball and your stomprocket experience?
a)
centripetal force
b)
projectile motion
c)
free fall
d)
none of the above
12.
If a student has a weight of 360 N on the Earth and the moon's gravitational force is 1/6 the force of Earth's. What would be the student's weight in newtons on the moon?
a)
300 N
b)
6 N
c)
60 N
d)
2160 N
13.
Which is NOT an action/reaction force pair?
a)
the forces between a bat and ball
b)
the forces of gravity between a falling ball and Earth
c)
the forces of gravity and friction on a moving car
d)
the forces between a rabbit and the ground
100 %
