WorksheetsNewton's Laws
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
The upward force acting on your parachute as it fell through the air is _________.
a)
air force
b)
weight
c)
air resistance
d)
upheaval
2.
If you travel to Mars, where gravity is less than Earth's gravity, what will happen to your mass and weight?
a)
Your mass and weight will both be greater than on Earth.
b)
Your mass and weight will both be less than on Earth.
c)
Your mass will be the same, but your weight will be less than on Earth.
d)
Your mass will be less than on Earth, but your weight will be the same.
3.
A soccer ball accelerates more than a bowling ball when thrown with the same force.
a)
1st Law
b)
2nd Law
c)
3rd Law
4.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
5.
After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals
a)
twice the force with which it was fired
b)
the same amount of force with which it was fired
c)
1/2 the force with which it was fired
d)
zero, since no force is requires to keep it moving.
6.
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
d)
none of these
7.
One object has twice as much mass as another object. The first object also has also twice as much...
a)
velocity
b)
gracitational acceleration
c)
inertia
d)
all of these
8.
Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?
a)
feathers
b)
iron
c)
same
d)
depends on their friction
9.
An object with a zero net force could be moving
a)
true
b)
false
10.
If you double the mass of an object with the same force apply on it, the acceleration will
a)
double
b)
cut in half
c)
the same
d)
zero
11.
The acceleration produced by a net force on an object is
a)
inversely proportional to the mass of the object.
b)
directly proportional to the magnitude of the net force.
c)
in the same direction as the net force.
d)
all of the above
12.
When a woman stands with two feet on a scale, the scale reads 280 N. When she rides in an elevator that is accelerating up then the scale will read
a)
less than 280 N
b)
more than 280 N.
c)
280 N.
d)
140 N
13.
A book weighs 4 N. When held at rest in your hands, the net force on the book is
a)
0 N.
b)
0.4 N.
c)
4 N.
d)
39 N.
14.
A bus hits a bug and the bug splatters on the windshield, which force is greater?
a)
The Bus
b)
The Bug
c)
They're the same
d)
Gravity acting on the bus
15.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
16.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
17.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third
d)
fourth
18.
A balloon rocket experiment launched the balloon on the straw with air blowing out of the balloon and the balloon traveling in the opposite direction. Which of Newton's laws is this?
a)
first
b)
second
c)
third
d)
fourth
19.
If you exert a net force of 8 N on a 2-kg object, what will its acceleration be?
a)
2 m/s2
b)
4 m/s2
c)
16 m/s2
d)
10 m/s2
20.
Pushing a child on a swing with the same force that you push an adult on the same swing will cause the child to accelerate more.
a)
1st Law
b)
2nd Law
21.
____ is a force that opposes a sliding motion.
a)
Static Friction
b)
Normal force
c)
Momentum
d)
Kinetic Friction
22.
When the net force is zero, the forces on an object are balanced. True or false.
a)
true
b)
false
23.
Any time the forces are unbalanced, an object will remain at rest. True or false?
a)
true
b)
false
24.
Calculate the net force.
a)
5 N, right
b)
5 N, left
c)
45 N, right
d)
45 N, left
25.
What is the unit called that measures force?
a)
Isaac
b)
Yee
c)
Newton
d)
kilogram
100 %
