Misc. 1
This machine must have two parts that turn together
What is wheel and axle?
A pulley changes direction of this
What is force?
mass times acceleration times distance
What is the formula to calculate work?
The pivot point on a lever
What is a fulcrum?
Which body shape on your head are shaped / used like wedges?
What is your teeth?
A machine that is made of two or more simple machines is called
What are compound machines?
work divided by distance
What is force?
The tab on the top of a soda can is this type of lever
What is first class type of lever?
What do machines do....
What is change the amount of force you exert OR the distance over which you exert the force OR can make work Easier
Energy that is produced by friction?
What is heat?
Amount of work done when 4 Newtons of force is applied to a 400 kilogram stationary object
What is no work?
If the effort force is ___________than the resistance force in most instances. (greater or less)
What is less ?
What type of simple machine would an knife be?
(just the blade)
What is wedge.
A broom or a hockey stick is an example of what kind of lever?__________________.
What is a 3rd class lever.
A water bottle cap is an example of this type of simple machine.
What is screw?
What cannot increase the amount of work that gets done
What is a machine?
A big 50N rock requires 20,000 Joules of work to move it across a road. How far did the rock move?
What is 400m?
Which part of a wheel and axle turns with the greater force?
what is the axle.
When you add pulleys, what increases for you : force or distance?
What is distance.
Amount of time it takes to do 500 Joules of work using 5 Kwatts of power
What is .100 seconds?
The six kinds of simple machines
What are lever, pulley, screw, wedge, inclined plane, wheel & axle?