WorksheetsNewtons Laws
Total questions: 31
Worksheet time: 28mins
Name
Class
Date
1.
Motions need an unbalanced net force to maintain
a)
True
b)
False
2.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
3.
Which has more Inertia? (so need more force to move)
a)
Truck
b)
Ant
c)
A cat
4.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
5.
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
6.
What can a force do?
a)
all of the above
b)
start a motion
c)
stop a motion
7.
What is the name for a push or pull?
a)
A movement
b)
A force
c)
Speed
8.
friction is a force that acts
a)
in the same direction as the motion
b)
opposite to the direction of the motion
c)
opposite to the applied forces
9.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
10.
An object following a straight-line path at a constant speed
a)
has zero acceleration
b)
has no forces acting on it
c)
has a net force acting in the direction of motion
11.
an object with a zero net force could be moving
a)
true
b)
false
12.
an object with a zero net force could be moving in a circle at a constant speed
a)
false
b)
true
13.
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
14.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight
15.
What is the SI unit used to measure weight?
a)
grams
b)
Liters
c)
pounds
d)
newtons
16.
Forces that have a net force of zero and the object's movement is not effected.
a)
Balanced Forces
b)
Unbalanced Forces
17.
With unbalanced forces, the object will move in the direction that the _______ force is being applied.
a)
larger
b)
smaller
c)
equal
18.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s
b)
.1 m/s
c)
100 m/s
d)
1
19.
45 m/s2 is the...
a)
Mass
b)
Force
c)
Acceleration
20.
A runner has a momentum of 670 kg m/s and is traveling at a velocity of 9 m/s. What is his mass?
a)
74.4 kg
b)
6030 kg
c)
0.0134 kg
21.
Two football players with mass 75 kg and 100 kg run directly toward each other with speeds of 6 m/s and 8 m/s respectively. If they grab each other as they collide, the combined speed of the two players just after the collision would be:
a)
2 m/s
b)
3.4 m/s
c)
4.6 m/s
22.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
23.
if you have balanced forces on a ball what happens
a)
It stays still
b)
Keeps going
24.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
25.
A measure of how fast something moves over a certain distance is ________________.
a)
motion
b)
speed
c)
work
26.
If you slide a hockey puck on ice, eventually it will stop because of the friction of the ice. This is an example of which Law of Motion.
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
27.
If you kicked a ball in space it would keep going because there is no gravity, friction, or air friction going against it. It will only stop moving in that direction if something comes into contact with it. This is an example of...
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
28.
Who is the scientist who came up with the Laws of Motion?
a)
Sir Issac Newton
b)
The Greeks
c)
John Dalton
29.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
a)
remain in motion.
b)
eventually come to a stop.
c)
change its momentum.
30.
An object at rest will _______ if no outside forces are applied.
a)
Stay at rest
b)
Increase Velocity
31.
What is Newton's Third Law?
a)
Object in motion stays in motion and an object at rest stays at rest unless acted on by a outside force
b)
Force = mass x acceleration
c)
For every action there is an equal and opposite reaction
100 %
