WorksheetsPhysical Science Semester 1 Review
Total questions: 42
Worksheet time: 22mins
Which of the following is the best example of work being done.
doing homework
lifting a box
pushing a stationary box
holding a box
What is an example of a force?
Energy
Power
Pressure
Weight
If you increase your work and decrease your time, you will have
more power
less power
same amount of power
power rating can not be determined
What would you solve for if given time and work?
power
force
distance
work
what would you solve for if given distance and force?
work
power
time
motion
What would you solve for if you were given work and distance
power
time
force
motion
What would 10 meters be an example of? Check all that apply
work
power
time
distance
force
What would 5.8 Newtons be an example of? Check all that apply
work
power
weight
distance
force
What would 125 Joules be an example of? Check all that apply
work
power
weight
energy
force
How do you calculate gravitational potential energy?
=1/2 mv2
=F*D
=mg
=mgh
What type of simple machine is an inclined plane wrapped around a cylinder?
lever
wedge
screw
wheel and axle
A seesaw is an example of what kind of simple machine?
wedge
lever
screw
inclined plane
When the fulcrum and the load are closer together how does this relate to the effort you would need to exert?
the effort would be the same no matter where the fulcrum is
the effort would be less the closer they are together
the effort would be more the closer they are together
What is the type of energy that is the “energy of motion”?
Kinetic
Potential energy
Gravitational potential energy
Conservation of energy
What are the units that make up a Joule?
N
N*m
N/s
kg*m/s
Weight is which type of force?
Gravitational
Normal
Air resistance
applied
What standard scientific units is weight officially in?
Joules
Kilograms
Grams
Newtons
What is the appropriate unit for force. Check all that apply.
N
N*m
J
kg*m2/s2
What is the appropriate unit for work. Check all that apply.
N
N*m
J
kg*m2/s2
What is the appropriate unit for power. Check all that apply.
J/s
N*m
Watt
kg*m2/s2
What is the appropriate unit for Kinetic energy. Check all that apply.
N
N*m
J
kg*m2/s2
Which one of Newton’s laws states “for every action there is an equal and opposite reaction?”
Newton's First law of motion
Newton's second law of motion
Newton's Third law of motion
Velocity is _____.
same as speed
speed with direction
Scalar quantity
same as acceleration
What is the amount of matter in an object called?
weight
big boned
mass
Heavy
When an object covers equal distance in equal amounts of time is _____.
constant speed
average speed
MPH
Velocity
Speed is defined as
time/distance
velocity/time
distance /time
Can not be calculated
What force governs all motions in the universe?
Inertia
Gravity
Friction
Air resistance
Force has a
Direction but no magnitude
Magnitude but no direction
Magnitude and a direction
When adding forces you must
Add forward and opposite motions
Subtract forward and opposite motions
Add forward motion and subtract opposite motion
You can not add forces they must be multiplied
The standard unit of mass in the SI units is ____.
kilogram
meter
pounds
ounces
What is the magnitude and direction of the force?
20 N -->
40 N -->
40 N <---
20 N <---
Choose the correct mathematical setup that would result in the correct units (days).
A
B
C
The major contact force that slows down your matchbox car is ___.
friction
electric
normal
tension
When you multiply mass and acceleration what physics property to you find?
velocity
speed
force
weight
What force is exerted when a 5 kg object, is moving with 10 m/s2 acceleration, hits a brick wall?
50 N towards brick wall
2 N towards brick wall
10 N towards brick wall
2N away from brick wall
The equation for momentum includes mass and velocity in which you have to do which mathematical operation?
add
subtract
multiply
divide
A free body diagram of a matchbox car that was pushed would include which force(s)? Check all that apply.
friction
normal
gravity
magnetic
applied
What does the pre-fix "kilo" mean?
1000
100
.001
1
What does the pre-fix "centi" mean?
1000
100
.001
1
