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WorksheetsNewton's First Law of Motion- Inertia (Ch 3)
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
The astronomer Copernicus publicly stated in the 1500s that the Earth
a)
The ball would not roll up the other plane at all.
b)
gravitational acceleration
c)
revolves around the sun
d)
is the center of the solar system
2.
Galileo found that a ball rolling down one inclined plane would roll how far up another inclined plane?
a)
The ball would not roll up the other plane at all.
b)
nearly the original height.
c)
to nearly twice the original height.
d)
to nearly half its original height
3.
Friction is a force that always acts
a)
in the opposite direction of an object's motion
b)
gravitational acceleration
c)
in the same direction as motion
4.
The law of inertia states that on object...
a)
will continue moving at the same velocity unless na outside force acts on it
b)
will continue moving in a straight line unless an outside force acts on it
c)
at rest will stay at rest unless acted on by an outside force
d)
all of these
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.
If the force of gravity suddenly stopped acting on the planets they would
a)
spiral slowly toward the sun
b)
continue in their orbits for a short time
c)
move in straight lines tangent to their orbits
d)
fly straight away from the sun
7.
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
8.
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
9.
Compared to its weight on Earth, a 10kg object on the moon is
a)
the same
b)
less
c)
more
10.
Which has more mass, a kilogram of feathers or a kilogram of iron?
a)
feathers
b)
iron
c)
neither
11.
The mass of a lamb that weighs 220N is about
a)
10kg
b)
22kg
c)
220kg
d)
2200kg
12.
How much does a 6.0kg bag of bolts weigh?
a)
6.0N
b)
12.0N
c)
58.8N
d)
600N
13.
Which of the following statements does NOT apply to Aristotle's concept of violent motion?
a)
Violent motion is imposed
b)
violent motion has an external cause
c)
violent motion is the result of forces that push and pull
d)
violent motion is thought to be either straight up or down.
14.
Galileo was the first to publicly state the earth revolves around the sun.
a)
True
b)
False
15.
Friction refers to the force between two surfaces sliding past each other.
a)
True
b)
False
16.
A force is simply a push or pull.
a)
True
b)
False
17.
Inertia is a property that the only some material objects possess.
a)
True
b)
False
18.
The amount of matter that makes up an object is its weight.
a)
True
b)
False
19.
The force due to gravity is the same no matter where in the universe you are.
a)
True
b)
False
20.
The SI unit for force is the Newton.
a)
True
b)
False
21.
An astronaut has the same mass on earth as in space.
a)
True
b)
False
22.
What is the equation for weight?
a)
F=ma
b)
w=mg
c)
m=w/g
d)
all of these
23.
Aristotle divided motion into two types: natural and violent.
a)
True
b)
False
24.
A bag of baseball bats has a mass of 200kg and a weight of about
a)
.20N
b)
20N
c)
200N
d)
2000N
25.
The law of inertia applies to
a)
moving objects
b)
non-moving objects
c)
moving and nonmoving objects
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