Draw which one shows the wheel and axle!
Point out which one is the wheel and axle!
Which is bigger, the wheel or the axle?
The wheel
Which moved a greater distance, the wheel or the axle?
The wheel
The wheel ...... the force applied to move the load and axle.
Multiplies
Less .......... is needed if we use an inclined plane to reach a higher lever.
effort
What's the name of this example of an inclined plane?
A ramp
What are gears?
Simple machine that have wheels and teeth
What happens to the bigger gear when we turn the smaller gear?
the bigger gear will also turn but in the opposite direction.
If the smaller gear turn in a clockwisse direction, in what direction will the bigger gear turn?
Anti-clockwise direction
The bigger gear has more teeth than the smaller gear. When the bigger gear turns one round, how does it affect the smaller gear?
The smaller gear will turn more than one round with every turn of the bigger gear. This means that the smaller gear turns faster than the bigger gear.
What makes the gears turn together?
The teeth of the gears interlocking as they turn.
