Types of Gears
What is a worm gear?
A worm gear is a gear that connects to a screw called a worm.
What causes a gear to start moving?
A force that is called the input.
Name 3 examples of gears in our daily life.
Clock, bicycle, watch, cars and drills
Another name for an output gear is the driven gear.
True
What is a bevel gear?
A bevel gear is a gear that connects on an angle.
What is a drive gear?
A drive gear is the input force that causes the gears to start moving.
If one gear turns left, the other gear will turn _____.
right!
The smaller gear is the slower gear.
False!
What is a crown gear?
A crown gear has teeth that are on a right angle to the wheel.
What is the output?
The output is the gears that are moved by interacting with another moving gear.
What do gears change?
Speed, direction and torque!
The idler gear changes the direction of the output gear.
True!
What is a spur gear?
A spur gear is a wheel and teeth that meet at a flat surface.
What is an idler gear?
An idler gear is a gear that is between two other gears.
Why are gears important?
They make our lives easier by helping different machines work.
The first gear was made out of wood.
True
Name all 4 types of gears we have learned about?
The worm gear, the bevel gear, spur gear and crown gear.
What is a gear?
A gear is a wheel with teeth that fit into another gear of different sizes.
Explain in detail, how a bicycle works?
A bicycle works by applying force to the pedals which is the input force which causes the chain to move on the gear. This makes the back wheel move which is the output force.
Torque is how long the wheels turn for.
False!