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WorksheetsNewton Laws
Total questions: 25
Worksheet time: 22mins
Name
Class
Date
1.
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.
2.
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.
3.
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
4.
Forces always act in equal and opposite pairs.
a)
Newton's 1st Law
b)
Newton's 3rd Law
c)
Newton's second law
5.
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
6.
Which has more Inertia? (and more force to move)
a)
Truck
b)
Ant
7.
Newton's 1st law is often called the _______.
a)
Newton's 2nd law
b)
action-reaction law
c)
law of equality
d)
law of inertia
8.
A person is pushed forward into their seatbelt when a car stops. Which of Newton's laws explains this motion?
a)
1st law
b)
2nd law
c)
2 and 3 law
d)
3rd law
9.
When air rushes out of a balloon and it moves upward. This is an example of which Law of Motion.
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
10.
A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward?
a)
For every action there is an equal and opposite reaction.
b)
Every mass exerts a force on every other mass.
c)
An object at rest tends to stay at rest.
d)
Friction opposes the motion of an object.
11.
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.
12.
A person in car slides to the right when going through a very sharp left turn on the highway.
a)
1st Law
b)
2nd Law
c)
3rd Law
13.
A crumpled piece of paper hits the ground before a flat sheet of paper because
a)
the acceleration of gravity is greater on the crumpled paper.
b)
there is more air resistance against the flat paper.
c)
the crumpled paper is more massive
d)
the crumpled paper is less massive.
14.
The SI units for force are...
a)
Kilograms
b)
Newtons
c)
Meters per second
d)
Pounds
15.
What is the definition of "weight"?
a)
the force in which gravity pulls on an object
b)
the time it takes to get on a ride
c)
the amount of matter in an object
d)
the size of an object
16.
If the mass of an object is 1000kg on Earth, what is it's mass on the moon?
a)
10kg
b)
100kg
c)
1000kg
d)
10,000kg
17.
A pencil with a mass of 0.045 kg has a mass of ______
a)
0.45 N
b)
4.5 N
c)
0.0045 N
d)
10 N
18.
An object will not have any inertia if it is _?_
a)
Accelerating
b)
Moving in a circle
c)
In space
d)
… Nonsense! All objects have inertia
19.
Newton's second law states that F=ma (force is mass times acceleration) which example would have the GREATEST?
a)
a 10 kg ball thrown with a 50 N force
b)
a 1 kg ball thrown with a 0.5N force
c)
a 50 kg student launched by a 100 N catapult
d)
a) a 500 kg car accelerated by 1000 N from the engine
20.
267.5 N unbalanced force applied to push a stuffed chair across the room, causing an acceleration of 4.2 m/s2. What is the mass of the chair?
a)
26.75 kg
b)
63.69 kg
c)
263.3 kg
d)
1123.5 kg
21.
To test Newton’s law of gravity, Ben and Jerry climbed the football stadium at school and dropped an egg from the very top of the bleachers. Their egg dropped data can be seen in the table According to this data, What conclusion can the boys make regarding Newton’s law of gravity?
a)
a) No conclusion can be drawn from the data
b)
a) The acceleration due to gravity is not constant
c)
a) The acceleration due to gravity of 9.8 m/s2 is refuted
d)
a) The acceleration due to gravity of 9.8 m/s2 is supported
22.
Which of these best describes why your weight (on Earth) would change on another planet?
a)
weight doesn’t change, no matter where you are
b)
different planets have different gravitational pulls
c)
In general, the smaller the planet, the greater weight
d)
dehydration effects on different planets change weight
23.
Suppose you are conducting an experiment concerning gravities effects on falling objects, and you want to minimize air resistance. Which of these would be the most useful and practical way to do these?
a)
use
aerodynamic objects
b)
se
extremely dense objects
c)
conduct
the experiment in vaccum
d)
conduct
the experiment at various altitudes
24.
Mr. Hardens class decides to perform an experiment to determine how long it takes different objects to hit the floor when dropped from a desk. The class dropped 3 balls from a desk, one weighing 2 lbs, one weighing 4 lbs and 6 lbs. It took them all the same amount of time to hit the floor. After evaluation these results, you predict that a 10 lb ball will take
a)
more
time to hit the floor
b)
less time to hit the floor
c)
about
the same amount of time to hit the floor
d)
an
unknown amount of time before hitting
25.
An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck increases speed more quickly. Which of these best explains this situations
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
d)
Conservation of momentum
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