WorksheetsForce and Motion Review
Total questions: 29
Worksheet time: 2hrs 22mins
Name
Class
Date
1.
Which of the following formulas is used to find ACCELERATION?
a)
Mass/Force
b)
Force/Mass
c)
Mass x Force
2.
When 2 OPPOSING forces are acting on an object, to find acceleration you must first do this.
a)
Determine the object's speed
b)
Find Net force by subtracting the smaller force from greater
c)
Determine what the object is made out of
d)
Find Net force by adding the forces together
3.
How can the work being done in this image be done with less effort?
a)
Move the fulcrum closer to the force
b)
Move the force to the end of the ramp
c)
Move the fulcrum closer to the load
d)
Move the fulcrum to the end of the ramp
4.
Which of the following MUST be present for work to be completed?
a)
the object moves in the direction the force is applied
b)
an element of time
c)
as long as there is a force being applied, work is being done
d)
the object moves in any direction
5.
What is the best explanation as to why a pulley makes work easier?
a)
they make the load lighter, thus easier to move
b)
they decrease the force needed to move an object
c)
they change the direction of the force needed to do work
d)
they decrease the distance an object must be moved
6.
Without this, "work" is not being performed?
a)
effort
b)
force
c)
movement
d)
both a force and movement
7.
True or False: An object's mass has NO AFFECT on the object's rate of acceleration.
a)
True- mass does NOT affect acceleration rate
b)
False- Smaller the mass= Faster the acceleration rate
c)
False- Greater the mass= Faster the acceleration rate
8.
For an inclined plane (ramp) to make work easier, which must be TRUE of the inclined plane?
a)
it must cover a longer distance
b)
it must be really steep
c)
it must cover a shorter distance
d)
it must be vertical
9.
At what point is there the greatest amount of kinetic energy? *pendulum swinging from point A to point D
a)
point A
b)
point B
c)
point C
d)
point D
10.
True or False: A curved line on a Position vs Time graph indicates a constant speed
a)
True
b)
False
11.
An increase or a decrease in an object's speed means which of the following is true?
a)
A change has occurred in the object's mass
b)
Balanced forces are acting on the object
c)
Unbalanced forces are acting on the object
12.
Which of the following is an example of a "natural" force influencing life on earth?
a)
gravity
b)
positioning
c)
speed
d)
age
13.
The segment of the graph from 5 sec-10 sec shows the graphed object is doing what?
a)
slowing down
b)
at a stop
c)
speeding up
d)
this segment tells us nothing about the object
14.
True or False: As a rubber band is being stretched, Potential Energy is being converted into Kinetic Energy
a)
True
b)
False
15.
A student pulled a 50 N box for 3 meters across the floor exerting 25 N of force. How much work did the student apply when pulling the box?
a)
150 Joules
b)
75 Joules
c)
100 Joules
d)
25 Joules
16.
Which of the following would cause an object at rest to begin moving?
a)
sudden change in mass
b)
sudden change in temperature
c)
unbalanced forces acting on the object
d)
an applied action
17.
Which situation best explains the law of inertia(Law 1)?
a)
Seat belts keep passengers restrained during a car wreck.
b)
Carbon Dioxide gas pushes up on a canister lid while the canister lid pushes down on the gas, causing the alka-seltzer rocket to launch.
c)
Tectonic plates push against each other.
d)
A baseball player hits the ball with enough force to score a home run.
18.
An object's kinetic energy is evident because of the object's what?
a)
position
b)
mass
c)
movement
d)
weight
19.
True or False: Friction does NOT affect the speed at which a car goes down a ramp
a)
True
b)
False- adding or taking away friction DOES change the speed
20.
What type of energy is stored in fuel/gasses?
a)
Chemical
b)
Nuclear
c)
Electrical
d)
Thermal
21.
A roller coaster car travels up a hill until it reaches the top, slowly goes over, and speeds down the hill and through the rest of the roller coaster. At the end, the brakes quickly stop the car, and the riders appear to continue moving forward. Which of Newton's laws of motion best applies to the riders of the roller coaster?
a)
Newton's law of acceleration
b)
Newton's law of inertia
c)
Newton's law of action-reaction
d)
Newton's law of force and acceleration
22.
What type of energy is stored in heat?
a)
Chemical
b)
Mechanical
c)
Thermal
d)
Magnetic
23.
What type of energy is in objects that are in motion?
a)
Chemical
b)
Mechanical
c)
Potential
d)
Gravitational
24.
Complete the definition: "For every action there is a ________"
a)
purpose
b)
start
c)
reason
d)
reaction
25.
Why do objects that are moving in outer space keep moving?
a)
because there is not an unbalanced force acting on them
b)
because the forces acting on the object are balanced
c)
both answers are correct
d)
neither answer are correct
26.
Velocity is the measurement of what 2 things?
a)
speed & acceleration
b)
direction & distance
c)
speed & direction
d)
direction & force
27.
A science teacher states if 2 ice skaters with the same mass push against one another with the same force, they will move away from one another at the same speed and same distance. What scientific evidence supports the teacher as correct?
a)
Newton's law of friction
b)
Newton's law of inertia
c)
Newton's law of action-reaction
d)
Newton's law of force and acceleration
28.
All of the following energy types are transformed when using the lamp EXCEPT -
a)
thermal
b)
light
c)
electrical
d)
chemical
29.
Hospitals use gasoline-powered generators during power outages to keep lifesaving equipment working. What energy transformations take place within a generator?
a)
Chemical energy to electrical energy
b)
Chemical energy to mechanical energy to electrical energy
c)
Mechanical energy to chemical energy to electrical energy
d)
Electrical energy to mechanical energy to chemical energy
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