Motion
Force
Energy
Work and Machines
Random
100
Bill covered a distance of 10.5 kilometers in 32 minutes
What is Bill's average running speed?
100
Each of the following is a force, except... (Ex: gravity, air pressure, and friction)
What is acceleration?
100
KE=(1/2)MV^2, this formula is for energy in motion.
What is kinetic energy?
100
W=FxD
What is work?
100
Electrons only have one path to flow through.
What is a series circuit?
200
An object has a constant velocity.
What is positive acceleration?
200
The rate at which an object falls depends on _______.
What is the mass of an object?
200
Has the ability to cause change.
What is energy?
200
F=W/D
What is force?
200
Percent efficiency=work output/work inputx100
What is calculating efficiency?
300
A change in velocity means a change in _______.
What is direction?
300
When things rub together or touch.
What is friction?
300
PE=MxH, this formula is formula is for enegry stored in motionless objects.
What is potential energy?
300
These devices are used to make jobs easier.
What is a machine?
300
D=M/V
What is density?
400
A moving object continues moving at the same velocity unless a force acts on it.
What is Newton's first law of motion?
400
This causes objects to fall at different rates.
What is air resistance?
400
GPE=MxAxH
What is gravitational potential energy?
400
These forces are equally put in and equally put out by a machine.
What are input and output forces?
400
P=F/A
What is pressure?
500
Meter
What is the SI unit of distance?
500
This planet was discovered because of its gravitational pull on other planets.
What is planet Uranus.
500
Energy changed from one form to another.
What is energy conservation?
500
when multiples machines are working together at once.
What is complex machine?
500
S=Fr x Wl
What is wave speed?
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