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WorksheetsForce and Motion
Total questions: 22
Worksheet time: 5hrs 48mins
Name
Class
Date
1.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
2.
What is the name for a push or pull?
a)
A movement
b)
A force
c)
Speed
d)
Density
3.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N
b)
40N
c)
10N
d)
70N
4.
What unit do we measure Force in?
a)
Newtons
b)
Joules
c)
Force
d)
Grams
5.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the net force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
6.
A balanced force has
a)
no net force
b)
some net force
c)
a wee bit of net force
d)
a lot of net force
7.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
8.
Balanced or Unbalanced?
a)
Balanced
b)
Unbalanced
9.
a force that opposes motion between any surfaces that are touching
a)
velocity
b)
friction
c)
inertia
d)
position
10.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact?
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
11.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
12.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced?
a)
12 N Right; No
b)
4 N Left; No
c)
12 N Right; Yes
d)
4 N Left; Yes
13.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)
neither
14.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
15.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
16.
What two things determine the gravity of an object?
a)
mass & weight
b)
mass & distance
c)
density & mass
d)
volume & distance
17.
A skateboard rolls down a hill, reaches the level surface and eventually comes to a stop. The fact that the skateboard ultimately stops is best explained by ____.
a)
an unbalanced force would be required to keep the sled moving forward at constant speed
b)
the presence of an unbalanced force (e.g., friction) can cause a moving object to stop
c)
the presence of inertia causes it to stop
d)
the natural tendency of any object is to ultimately stop
18.
the tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
19.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
d)
law of conservation of mass
20.
a)
1st
b)
2nd
c)
3rd
d)
law of motion
21.
A 20 kg bike accelerates at 10 m/s2. what was the force
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
22.
You hit a wall with a stick. The equal but opposite reaction is _____
a)
the wall pushes against you
b)
the stick pushes against you
c)
you push against the stick
d)
the wall pushes against the stick
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