WorksheetsRocket (Forces and Motion) Test
Total questions: 18
Worksheet time: 32mins
Name
Class
Date
1.
Which is true from Newton's Third law of motion?
a)
For every action force there is a smaller reaction force in the opposite direction.
b)
For every action force there is an equivalent reaction force in the opposite direction.
c)
Both 1 and 2
d)
None of the above
2.
What is Newtons 2nd law?
a)
equal&opposite force
b)
law inertia
c)
f=ma
3.
When forces on an object are balanced, what is the force?
a)
Five
b)
Ten
c)
Six
d)
Zero
4.
______ measures an object's tendency to resist changing its motion.
a)
Acceleration
b)
inertia
c)
Gravity
d)
weight
5.
The formula
? = mass x acceleration
or
? = m x a
is used to find
? = mass x acceleration
or
? = m x a
is used to find
a)
Force
b)
Velocity
c)
Momentum
d)
Gravity
6.
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
7.
What is the name for a push or pull?
a)
A movement
b)
A force
c)
Speed
d)
Density
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
d)
the same direction as the applied force
9.
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
d)
70N
10.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the net force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
11.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
12.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact?
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
13.
What is Newtons 1st law of motion?
a)
Force= Mass multiplied by acceleration
b)
An object at rest stays at rest unless acted on an unbalanced force. (inertia)
c)
For every action there is a equal and opposite re-action.
d)
law of gravity
14.
What is Newtons 2nd law of motion?
a)
Pancakes
b)
Force= Mass multiplied by acceleration
c)
For every action there is a equal and opposite re-action.
d)
Law of gravity
15.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law
c)
Newtons 3rd law
d)
Newtons 2nd law
16.
Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
17.
Define each of Newton's three laws and identify where they occurred during your rocket launch.
4 lines
18.
Create a math word problem where the force of an object needs to be calculated. Answer your own problem. Explain your work, and use a picture. Remember your label(s) and use complete sentences in your written explanation.
4 lines
100 %
