Formulas
Machines
Random
Calculations
Work
100
force X distance
What is work
100
a ramp
What is an inclined plane
100
What Frosty the Snowman's eyes are made out of
What is coal
100
work: applied force of 10 N to a chair to move 2 meters
What is 20 joules (J)
100
SI unit for work
What is joule (J)
200
input work/out put work X 100%
What is efficiency
200
your front teeth
What is wedge
200
Number of Reindeer Santa has
What is 8
200
Power: using 20 N of force to move chair 4 meters in 8 seconds
What is 10 J/s (watts)
200
fixed point that a lever rotates around
What is a fulcrum
300
length / height
What is inclined plane mechanical advantage
300
a rope wrapped around a grooved wheel
What is pulley
300
Author of How the Grinch Stole Christmas
Who is Dr. Suess
300
Mechanical Advantage: ramp 12 m long and 3 m high
What is 4
300
what is created when simple machines are combined
What is a compound machine
400
mechanical advantage of a pulley
What is 1 or # of ropes involved
400
a screw driver
What is a wheel and axle
400
name of all of Santa's reindeer
What is Dasher, Dancer, Prancer, Vixen, Comet, Cupid, Donder, Blitzen
400
Mechanical Advantage: radius of wheel is 16 cm and radius of axle is 8 cm
What is 2
400
Ideal efficiency of all machines
What is 100%
500
radius of wheel / radius of axle
What is mechanical advantage of wheel and axle
500
an inclined plane wrapped in a circle
What is screw
500
On the 8th day of Christmas my true love gave to me...
What is 8 maids a milking
500
Efficiency: input work is 150 J, output work is 200 J
What is 75%
500
3 ways machines make work easier
What is change direction, force, or distance
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