Pully
True or False - A well is an example of a pully
True
True or False - a bicycle DOES NOT have a gear
True or False - there are simple and complex types of machines
True
What is rotary movement?
Motion is movement in a circular path.
The ____ is something that is being lifted or carried.
load
Which gear is faster the small or the big gear?
Small
What is a complex machine?
A machine that is made up of two or more simple machines.
What do gears and pulleys have in common?
Answers may vary
What is the purpose of a pully?
To lift an object
What is torque?
It is a measure of rotational force.
False, it is a complex machine
____ is a sloping surface
Inclined plane
How can pulleys help improve accessibility in places?
Answers may very
When two gears connect the _____ gear always turns in the ____ direction of the first.
second gear, opposite
A ____ can change the speed at which an object is moving.
What are examples of simple machines in a car? (name more than 2)
Inclined planes, levers, pulleys, wedges, wheels and axels, and screws
True or false, a fixed pully has a wheel that can move
False - moveable pully
Gears are used to change what three things?
Speed, direction, and torque
What is the input and output component of a bicycle?
Input: pedals, output: back wheel
What is an example of transferring motion?
Rack and pinion