What is the result of a force moving an object called?
Work
100
Fill in the blank. A class 3 lever has the ___________ in the middle.
Effort
100
What is a real life example of a wheel and axle?
Tire, bike, steering wheel, screw driver, merry go round, etc
100
Where is the axle and where is the wheel?
In the centre, and around the outside
100
What is a pulley?
a wheel with a groove in the rim in which a rope or belt moves
200
How does the position of the fulcrum affect the amount of effort?
The closer the fulcrum is to the load the less effort
200
Fill in the blank. A class 2 lever has the ___________ in the middle.
Load
200
What is a real life example of a roller?
Airport, grocery store, etc
200
Give an example of how a pulley would be helpful?
getting water out of a well, in Holland when they are moving in furniture, etc
200
The object being moved or carried is called?
Load
300
what is the change in the position of an object called?
Motion
300
Fill in the blank. A class 1 Lever has the _________ in the middle.
Fulcrum
300
What is a real life example of a class 3 lever?
stapler, tweezers, etc
300
Fill in the Blank. Gears are two or more wheels that have _________ on the rim and an _________ in the middle.
Teeth, Axle
300
What is friction
A force that resists motion when the surface of two objects are in contact
400
What is a wheel or gear that transfers force to another wheel or gear called?
Driver
400
What kind of lever is a Hammer?
Class 1 lever
400
What is a real life example of a class 1 lever?
teeter totter, balance, etc
400
In a gear system, if the first gear is turning right what way is the second gear turning?
Left
400
The push or pull of an object is called
Force or Effort
500
What is the difference between a wheel and axle and a Roller?
Wheel and axle is attached to the object and rollers are not. there are many rollers working together while there are only a couple wheels that work together.
500
How does the size of a lever affect the amount of effort?
The bigger the lever the less effort
500
What is a real life example of a drive system?
Bike gear system, Car motor, etc
500
Explain how a drive system works and what happens when you flip the elastic or belt so it crosses in the middle?
A tight elastic or belt transfers the motion from one wheel to the other wheel. when the elastic crosses the second wheel will turn in the opposite direction.
500
What is a gear?
A toothed wheel that transmits motion from one shaft to another