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WorksheetsUnit 5: Forces & Motion Study Guide Review
Total questions: 36
Worksheet time: 22mins
Two football players are running toward each other. One football player has a mass of 100 kg and is running at 8 m/s. The other player has a mass of 90 kg and is running at -9 m/s.
What is the momentum of the system after the football players collide?
190 kg * m/s
10 kg * m/s
90 kg * m/s
180 kg * m/s
Explain why a semi truck would have a harder time stopping while speeding down a hill than a car would at the same speed.
A bicycle has a momentum of 64 kg • m/s and a velocity of 8 m/s. What is the mass of the bicycle?
4 kg
56 kg
8 kg
72 kg
The graph shows two runners participating in a race.
Which best describes the runners?
Daniela had a 5 meter head start, and Leonard caught up to her at 25 meters.
Daniela ran faster than Leonard through the entire race.
Daniela gave Leonard a 5 meter head start and caught up to him at 25 meters.
Daniela ran slower than Leonard, but she went faster at the end.
A toy car is placed at 0 on a number line. It moves 4 cm to the left, then 6 cm to the right, and then 3 cm to the left. What is the total distance the toy car traveled?
1
-1
13
-13
Olivia places her pet frog on a line to observe the frog’s motion. The line is divided into sections that measure 1 centimeter each. The frog begins at 0, moves 2 centimeters forward, moves 6 centimeters backward, 12 centimeters forward, and then 3 centimeters backward. What is the frog's total displacement?
3
-9
-2
5
Which graph best represents a car that is accelerating?
A
B
C
D
What is the acceleration of a 20 kg object pushed with a force of 400 newtons?
80
8000
20
200
Which force is always present and pulls downward on objects?
normal force
gravity
push/pull force
friction
If a car has a speed of 20 mph and maintains that same speed while turning left, it has changed what?
force
momentum
speed
velocity
Because of the Law of Conservation of Matter, the final (total) momentum of a cannon and cannonball will be __________ before it is fired as after it is fired.
greater
less
the same
half
Momentum tells us that when the man jumps off of the boat, the boat will ______
move left
flip over
sink
move right
How much force needed to move a 1000kg car with an acceleration of 0.05m/s?
1005 N
50 N
5000 N
995 N
What happens when two forces act in the same direction?
their sum divided by two is the total force
their strengths are added
the stronger one wins out
they cancel each other out
What is the graph showing?
Acceleration
Gravity
Momentum
Constant Speed
During which interval is the object speeding up the MOST?
A to B
C to D
D to E
E to F
In a tug of war the left team pulls with a force of 150N. The right team pulls with a force of 200N.
The net force is _____ and the team on the _____ will win.
-50/left
50/right
350/left
-350/right
You push on a wall with 20N of force but the wall doesn't move. The wall is pushing back on you with _______ of force?
0 N
10 N
20 N
70 N
The net force on the box is _____ newtons and it will move to the _____ .
110/left
-10/left
50/right
10/right
What unit do scientists use to measure force?
km
grams
newtons
joules
A beetle crawls 6 cm/minute for 20 minutes. How far did it crawl?
60 cm
100 cm
120 cm
62 cm
A duck flies 240 meters in 60 seconds. What is the duck’s speed?
6 m/s
4 m/s
40 m/s
180 m/s
Which type of force(s) will cause a change in an object's MOTION?
zero net forces
unbalanced forces
balanced forces
gravity
A position vs time graph shows...
weight
speed
force
acceleration
a measurement of length
displacement
distance
inertia
slope
the steepness of the line, used to show the rate of change
displacement
distance
inertia
slope
the tendency of an object to resist a change in its motion
displacement
distance
inertia
slope
a distinct location or object from which measurements are derived
displacement
speed
velocity
reference point
the change in position from the reference point
displacement
speed
velocity
reference point
distance traveled per unit of time
displacement
speed
velocity
reference point
the mean velocity over the entire time the object was in motion
instantaneous velocity
speed
average velocity
reference point
displacement per unit of time
displacement
speed
velocity
reference point
the velocity at one specific moment in time
instantaneous velocity
speed
average velocity
reference point
Every action has an equal and opposite reaction.
Newton's First Law
Newton's Second Law
Newton's Third Law
An object in motion will stay in motion, and an object at rest will stay at rest until acted upon by an outside force.
Newton's First Law
Newton's Second Law
Newton's Third Law
Force = mass x acceleration
Newton's First Law
Newton's Second Law
Newton's Third Law
