pulleys and gears in real life
Pulleys are used in this machine to help lift a bucket out of a well.
What is a water well?
A simple machine is something that ______ easier.
what is Work? A job
In order for gears to turn they must be?
What is touching each other?(meshed)
This helps you move objects up more easily than lifting.
what is Pulleys? (simple machines)
A movable pulley is a pulley that can?
what is move?
Cranes use this to lift heavy objects.
What is a pulley?
A measurement of how fast an object is moving.
what is speed?
When one gear turns, the gear next to it turns in this direction.
What is the opposite direction?
Simple and complex machines can be used to transform the direction of force. True or False?
What is True?
Gears are used inside this to tell time.
What is a clock?
Bikes use gears true or false?
What is true?
A wheel with teeth used in machines is called a
What is a gear?
A small gear turning a large gear makes the large gear turn...
What is slower?
Why are simple machines important in everyday life?
What is they make work easier and faster?
If two gears are the same size they will turn at the same....
What is speed?
where can we find an example of a gear with a axel through the center of it?
What is a car?
_________ motion is movement in a circular path.
what is rotary?
The gear where the force is applied is the?
what is the Input gear?(drive gear)
What is a way in which simple machines can help you in everyday life?
A complex machine is a machine that?
What is made of 2 or more simple machines.
Why might someone use more than one pulley together?
what is to make lifting even easier than one pulley?
__________ is a measure of rotational force.
What is torque?
A large gear that is turning a small gear will make the small gear turn?
What is faster?
A machine that has few or no moving parts is called a…
What is a simple machine?
Why would a machine use both big and small gears?
what is to change speed or force?