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WorksheetsNewton's 3 Laws of Motion-Mrs. Davis
Total questions: 35
Worksheet time: 30mins
Name
Class
Date
1.
An object at rest will _______ if no outside forces are applied.
a)
Stay at rest
b)
Increase Velocity
c)
Decrease Mass
d)
move
2.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
a)
True
b)
False
3.
The SI units for force are...
a)
Kilograms
b)
Newtons
c)
Meters per second
d)
Pounds
4.
If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first?
a)
the cannonball
b)
the baseball
c)
The balls land at the same time.
d)
the ball with the larger volume
5.
If an action force is a cue ball (white) hitting a billiard ball (various colors) when playing pool, then the reaction force is
a)
exerted on the table
b)
exerted on all the other billiard balls.
c)
not present
d)
exerted by the billiard ball on the cue ball.
6.
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.
d)
accelerate.
7.
An ice skater at rest pushes against a sled at rest, causing both the skater and sled to move away from each other with different accelerations. This is an example best described by
a)
Newton’s first law of motion for objects at rest.
b)
Newton’s first law of motion for objects in motion.
c)
Newton’s second law of motion.
d)
Newton’s third law of motion.
8.
Which of the following explains the difference between speed and velocity?
a)
One has motion, and the other does not.
b)
One has direction, and the other does not.
c)
One involves time, and the other does not.
d)
One involves acceleration, and the other does not.
9.
How does Newton’s third law explain how a rocket takes off?
a)
The rocket’s acceleration is positive, while the gasses acceleration is negative but the direction is the same.
b)
The rocket is at rest until ignition.
c)
The hot gasses move in one direction, while the rocket moves in the opposite direction but with equal force.
10.
A sled sliding on a flat, icy surface with a constant velocity is best described by
a)
Newton’s first law of motion for objects at rest.
b)
Newton’s first law of motion for objects in motion.
c)
Newton’s second law of motion.
d)
Newton’s third law of motion.
11.
Acceleration is caused by a force acting on a mass.
a)
Newton’s first law of motion
b)
Newton’s second law of motion
c)
Newton’s third law of motion
12.
For a force on an object there is an equal and opposite force.
a)
Newton’s first law of motion
b)
Newton’s second law of motion
c)
Newton’s third law of motion
13.
Without any force to change it, an object at rest stays at rest and an object in motion stays in motion
a)
Newton’s first law of motion
b)
Newton’s second law of motion
c)
Newton’s third law of motion
14.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
15.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
a)
True
b)
False
16.
If you are driving forward and suddenly break, what would happen to your body and which law does that demonstrate?
a)
go back, 1st Law
b)
move forward, 1st Law
17.
Forces always act in equal and opposite pairs.
a)
Newton's 1st Law
b)
Newton's 3rd Law
18.
What force slows objects down and keeps them from moving?
a)
Friction
b)
Acceleration
19.
If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
20.
In a football game, two players tackle each other so hard that they both fly in opposite directions after they hit each other. What law of motion is this an example of?
a)
Newton's 2nd Law
b)
Newton's 3rd Law
21.
One object has twice as much mass as another object. The first object also has twice as much...
a)
velocity
b)
inertia
22.
What is the force applied to all objects on Earth?
a)
Earthquakes
b)
Gravity
23.
A student leaves a pencil on a desk and it stays there until I pick it up.
a)
1st Law
b)
2nd Law
24.
A soccer player kicks a ball with their foot and their toes are left stinging.
a)
2nd Law
b)
3rd Law
25.
Two students are in a baseball game. First student hits a ball hard and it has a greater acceleration than the 2nd student who bunts the ball lightly.
a)
1st Law
b)
2nd Law
26.
Which law explains when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Law 1
b)
Law 3
27.
Pushing a child on a swing is easier than pushing an adult on the same swing.
a)
1st Law
b)
2nd Law
28.
Which has more Inertia? (and more force to move)
a)
Truck
b)
Ant
29.
Which law states that if I push against a wall, the wall pushes against me?
a)
Law 2
b)
Law 3
30.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M*A
d)
F=M*F
31.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
32.
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^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
33.
If an object was accelerating at 10 m/s^2, and a force of 10 newtons was required to accelerate it, what was the object's mass?
a)
1 kilogram
b)
10 kilograms
c)
2 kilograms
d)
5 kilograms
34.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
35.
The equation that connects force, mass and acceleration is....
a)
F = a ÷ m
b)
F= m ÷a
c)
F= m × a
d)
F = m + a
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