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Newton's Laws

Total questions: 26

Worksheet time: 45mins

Name
Class
Date
1.

"For every action, there is an equal and opposite reaction."

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

2.

Force = Mass x Acceleration

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

3.

"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

4.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
5.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
6.

Which of the following is the units for velocity?

a)

kg*m/sec2

b)

kg*m/sec

c)

m/sec2

d)

m/sec

7.

Which of the following is the units for acceleration?

a)

kg*m/sec2

b)

kg*m/sec

c)

m/sec2

d)

m/sec

8.
A Newton is a unit of...
a)
force
b)
inertia
c)
acceleration
d)
velocity
9.
When all the forces on an object are equal and opposite, & the net force is zero, that's...
a)
balanced forces
b)
unbalanced forces
c)
terminal velocity
d)
reaction forces
10.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
11.

A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/sec2 What is it's force?

a)

50 Newtons

b)

5 Newtons

c)

20 Newtons

d)

9.5 Newtons

12.

A cannonball with a mass of 10 kg is flying at an acceleration of 5 m/sec2. What is it's force?

a)

50 Newtons

b)

5 Newtons

c)

20 Newtons

d)

9.5 Newtons

13.
Mass x acceleration = ?
a)
force
b)
inertia
c)
momentum
d)
velocity
14.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
15.

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

16.

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

17.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
18.

A skater pushes another skater forward, but the one pushing moves backwards.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

19.
the tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
20.
True of False?
An object's inertia is effected by its mass.
a)
False
b)
True
21.
If you increase the force on an object, its acceleration
a)
decreases
b)
stays the same
c)
also increases
d)
stops
22.
If you increase the mass on an object, its acceleration
a)
decreases
b)
stays the same
c)
also increases
d)
stops
23.

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

a)

10 m/s

b)

1000 m/s

c)

100 seconds

d)

10 seconds

24.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
25.

The forces two objects apply to each other

a)

Force Pair

b)

Force triplet

c)

Science's 3rd Law

d)

The Velocity Calculation

26.

Gabriel sprinted down the hallway for a science project. He ran a total of 40 meters in 20 seconds. What was his average speed?

a)

2 meters per second

b)

20 meters per second

c)

40 meters per second

d)

10 meters for second