Ropes and Lifting
What does a pulley do?
It helps us lift things by pulling down to move something up!
What is the middle part of a lever called?
A fulcrum
What does a wheel and axle do?
It helps things roll, so they’re easier to move!
What is an inclined plane?
A ramp or slanted surface!
What simple machine is found in a flag pole?
A pulley
Name a playground toy that’s a lever.
A seesaw!
What simple machine is part of a wagon?
Wheel and Axle!
How does an inclined plane help us?
It lets us push something up instead of lifting it straight up.
True or False – A pulley can only move things down.
False – It helps move things up!
What happens if you move the load closer to the fulcrum?
It takes less force to lift it!
True or False – A doorknob is a wheel and axle.
True!
Name a place you’ve seen a ramp.
Any answer is correct.
What part of the pulley helps the rope slide easily?
The wheel!
Is a spoon used to open a can of paint a lever?
Yes!
Why do cars have wheels?
So they can roll and move easily with less force!
What simple machine is a slide at the playground?
Inclined Plane!