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PS Demon Time Review 9/2/21

Total questions: 26

Worksheet time: 26mins

Name
Class
Date
1.

Which force produces a change in motion?

a)

unbalanced force

b)

balanced force

c)

gravitational force

d)

combined force

2.
It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes
a)
Newton's first law, the law of inertia
b)
Newton's second law, the law of acceleration
c)
Newton's third law, the law of action reaction 
d)
The law of universal gravitation
3.
The formula 
? = mass x acceleration
or 
? = m x a 
is used to find 
a)
Force
b)
Velocity
c)
Momentum
d)
Gravity
4.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
5.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
6.
What Newtons law does this picture represent
a)
Newtons 2nd law 
b)
Law of gravity 
c)
Newtons 1st law
d)
Newtons 5th law
7.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed 
c)
not moving 
d)
accelerating/slowing down. 
8.
What is the standard unit force is measured in?
a)
Newtons
b)
pounds
c)
grams
d)
meters
9.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
10.
LT4: The graph shows Ashley riding her bike to Maria's house. 
What is occurring from point A to point B?
a)
they are traveling at a constant speed
b)
they are decreasing in speed
c)
they stopped to take a break
11.
LT4: The graph shows Ashley riding her bike to Maria's house. 
What was occurring from point B to point C?
a)
She was increasing her speed.
b)
She stopped for 4 minutes
c)
She was decreasing in speed
12.
The graph represents
a)
no motion
b)
Constant velocity
c)
Acceleration
d)
negative acceleration
13.
The graph represents
a)
no motion
b)
constant velocity
c)
acceleration
d)
negative acceleration
14.

Observe what happens to the motion of the penny. Which of Newton's Laws does this represent?


Observe lo que sucede con el movimiento del centavo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

15.

Watch the first marble as it collides with the second marble . Which of Newton's Laws does this represent?


Observar cómo choca la primera canica con la segunda canica. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

16.

Observe the motion of the washer as the notecard is pulled quickly out from under it. Which of Newton's Laws does this represent?


Observar el movimiento de la moneda mientras saca rápidamente el papel de debajo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, inertia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

17.

Watch what happens as Blake releases the balloon. Which of Newton's Laws does this represent?


Mira lo que sucede cuando Blake suelta el globo. ¿Cuál de las leyes de Newton representa esto?

a)

Newton's 1st Law, interia

b)

Newton's 2nd Law, Force = m x a

c)

Newton's 3rd Law, action/reaction

18.

The tendency of objects to resist a change in motion is called:

a)

Friction

b)

Inertia

c)

Gravity

d)

Velocity

19.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
20.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight
21.
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
22.

If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?

a)

150 Newtons

b)

15 Newtons

c)

150 kilograms

d)

100 kilograms

23.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
24.
Which one is balanced?
a)
top
b)
bottom
c)
both
25.

Forces that have a net force of zero (0).

a)

Balanced force

b)

Unbalanced force

26.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left