Measurements And Units
Force
Work
speed
energy
100
Meters
What does a meter stick measure?
100
F=MxA
What is the formula for force?
100
W=FxD
What is the formula for work
100
S=D/T
What is the formula for speed
100
Electricity
The photovoltaic cells convert sunlight into ...?
200
5,000
How many meters are in 5 kilometers?
200
20 newtons.
If a ten kg object is a accelerrating at a rate of 2 m/s/s, how much force does it have?
200
When a force moves an object in a direction parallel to the force.
When is positive work done?
200
Graph
Motion can be shown in a _______?
200
Chemical energy is relaesed.
What happens when you burn a piece of wood in a campfire?
300
Grams
A triple beam balance measures in what unit of metric measurement?
300
Net Force: 50 J
What is the net force for 30N right and 80N left
300
The distance over which work is done.
Simple machines make work easier by increasing what?
300
start and stop
Force are pushes or pulles needed to _______ an object moving, or _____ a objects motion.
300
Nuclear fusion produces no radioactive waste.
How does nuclear fusion compare to nuclear fission?
400
Graduated cylinder
Which tool do we use to find the volume of a small amount of liquid?
400
It accelerates.
What happens when an unbalanced force is applied to an object at rest?
400
One Joule
What does one Newton exerted over a distance of one meter equal?
400
Distance, time, speed.
The ____ an object moves in a given amount of _____, determines the ______.
400
From mines.
From where do nuclear power plantes get uranium?
500
kilo, hecto, deca, deci, centi, milli
What are all of the base units?
500
Newton figured out the relationship between force, mass, and acceleration.
Why were units of force named after Sir Issac Newton?
500
Distance and force.
To calculate the amount of work done you must know ____?
500
moving, speed up, slow down, stop
If a force is applied to a _____ object, the object can_____ __, ______ ______, or come to a ______
500
15 to 20 percent
How much of the sun's energy can be converted to electricity by a photovoltaic cell?
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