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Measurements and Units
Force
Work
Speed
Energy
100
grams
What is the unit you use to measure mass?
100
a push or a pull
What is a force?
100
W=F*D (Work is equal to force times distance.)
What is the formula you use to calculate work?
100
S=D/T (Speed is equal to distance by time.)
What is the formula you use to calculate speed?
100
the ability to do work
What is energy?
200
100 cm
How many centimeters are in a meter?
200
The object accelerates.
What happens when an unbalanced force is applied to an object at rest?
200
One joule
What does one newton exerted over one meter equal?
200
How fast an object is going
What does speed measure?
200
Coal, oil, and natural gas
What are the three non-renewable energy resources?
300
1,000,000 mm
How many millimeters are in a kilometer?
300
Isaac Newton
Who figured out the relationships between force, mass and acceleration?
300
When a force moves an object in a direction parallel to that force
When is positive work done?
300
constant speed
What does a diagonal line in a speed graph represent?
300
The stored energy of an object due to its position or condition.
What is potential energy?
400
A dekagram is 100 times as large as a decigram.
What is the relationship between a decigram and a dekagram?
400
10 meters per second per second
What is an example of an unit for acceleration?
400
The distance over which work is done
What do simple machines increase to make work easier?
400
Kilometers per hour
What is one example of an unit for speed?
400
Mass and Speed
What does the amount of kinetic energy an object has depend on?
500
56 feet
How many feet are there in 16 meters?
500
Time is a factor in both measurements
What do measurements of velocity and acceleration have in common?
500
The resistance force
What is the force exerted by a load being lifted called in a pulley?
500
Change in speed and time
What two variables must you know to calculate acceleration?
500
Saudi Arabia
Which country produces the most energy in the world?