Work
Name the machine
Define the machine
Compound machines
100
2 requirements for work to be done
motion and force in the same direction
100
gears
wheel and axle
100
grooved wheel with a rope
pulley
100
Scissors
Daily triple
lever, wedge
200
Calculate the amount of work done when lifting a 15 N child is picked up 3 meters.
Daily Quad
45 Joules
200
light bulb or bottle cap
screw
200
plank with a fulcrum
lever
200
lever, pulley
300
If it takes 10 N to push in object 5 meters, how much work was done?
50 Joules
300
flagpole
Daily Double
pulley
300
inclined plan wrapped around a rod
Daily double
screw
300
pulley, wheel and axle
400
How much work is done to a 11 N object when it is pulled 3 meters?
33 Joules
400
knife
Daily double
wedge
400
two wheels attached by a rod
wheel and axle
400
Daily Quad
pulley, wheel and axle, lever
500
The advantage of using a machine.
mechanical advantage
500
see-saw
lever
500
a sloped plank or ramp
inclined plane
500
lever, wedge