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WorksheetsFinals Review 2.0: Force & Motion
Total questions: 31
Worksheet time: 19mins
Name
Class
Date
1.
A rocket's thrusters fire downward, yet the rocket experiences an upward force. Which law does this demonstrate?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
2.
A fireman turns on a hose and is knocked backwards by the water moving forwards. Which law best demonstrates this?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
3.
It takes more force to move a bowling ball than a baseball. Which law explains the relationship?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
4.
A soccer ball will not move until it is kicked. Which law explains this best?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
5.
It takes less force to pull an empty wagon than a wagon with someone in it. Which law explains this relationship best?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
6.
An object is pushed with a 50 N force to the right and a 30 N force to the left. Find the net force.
a)
50 N to the right
b)
30 N to the left
c)
20 N to the right
d)
80 N to the right
7.
An airplane exerts 5000 N of thrust forwards and has 2000 N of air resistance (friction). What is the net force?
a)
5000 N forwards
b)
2000 N backwards
c)
7000 N forwards
d)
3000 N forwards
8.
Forces of friction always _________ the direction of motion.
a)
Oppose
b)
Change
c)
Match
d)
Are perpendicular to
9.
How much net force is needed to accelerate a 25 kg bicycle at 3 m/s2? F = m*a
a)
22 N
b)
28 N
c)
50 N
d)
75 N
10.
50 N of force acts on a 10 kg object. What will the acceleration be? F = m*a
a)
500 m/s2
b)
50 m/s2
c)
5 m/s2
d)
0.2 m/s2
11.
A soccer player runs 20 m in 5 s. What is the magnitude of velocity (speed)? v = d/t
a)
4 m/s
b)
5 m/s
c)
4 mph
d)
5 mph
12.
A car is travelling at 25 m/s. How much time does it require to travel 100 m? v = d/t
a)
25 s
b)
4 s
c)
100 s
d)
75 s
13.
You yank a tablecloth from rest to 5 m/s in a time of 0.5 seconds. Find the acceleration. a = (vf - vi)/t
a)
2.5 m/s2
b)
5 m/s2
c)
0 m/s2
d)
10 m/s2
14.
Which of the following is NOT a way to accelerate?
a)
Speed up
b)
Slow down
c)
Turn a corner at constant speed
d)
Drive straight at constant speed
15.
What happens to acceleration when the mass remains constant but the force is increased?
a)
Acceleration increases
b)
Acceleration decreases
c)
There is no change to acceleration
d)
There is no way to know
16.
Which of the following statements is FALSE?
a)
The object is at rest at one point
b)
The object changes direction
c)
The object starts off moving at a constant speed
d)
The object experiences acceleration
17.
Which of these is the dependent variable?
a)
Distance
b)
Time
18.
Which of the following is the correct value for the acceleration due to gravity on Earth?
a)
It depends on the mass
b)
1.6 m/s2
c)
3.7 m/s2
d)
9.8 m/s2
19.
What unit should weights be reported in?
a)
newtons [N]
b)
kilograms [kg]
c)
meters per second [m/s]
d)
meters per second squared [m/s2]
20.
What is the weight of a 50 kg person on Earth, where g = 9.8 m/s2? W = m*g
a)
5.1 N
b)
490 N
c)
50 N
d)
59.8 N
21.
A desk weighs 98 N. What is its mass, assuming it is on Earth where g = 9.8 m/s2? W = m*g
a)
98 kg
b)
98 N
c)
10 kg
d)
10 N
22.
This Unit Review will replace a missing ________ grade.
a)
Home/Classwork
b)
Quiz
c)
Test
d)
All
23.
This Unit Review will NOT replace a missing ________ grade.
a)
Homework
b)
Classwork
c)
Quiz or Test
d)
All
24.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
25.
Which runner won the race?
a)
Albert
b)
Bob
c)
Charlie
26.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
27.
Susie went to the store, when she got there she realized that she forgot her wallet and returned home.
Which graph matches this motion?
a)
b)
c)
d)
28.
Which person moved the fastest in 3 seconds?
a)
biker
b)
runner
c)
walker
d)
they are all moving equally
29.
Which graph represents the greatest acceleration?
a)
A
b)
B
c)
C
d)
D
30.
Which graph represents zero acceleration (constant velocity)?
a)
A
b)
B
c)
C
d)
D
31.
Match the description to the graph:
"The car is slowing down/decelerating."
a)
b)
c)
d)
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