Siimple Machines

What is the main benefit of using a machine?

• It makes objects disappear.

• It makes tasks easier by amplifying force.

• It changes the color of objects.

• It makes objects heavier.

How does a lever help in lifting objects?

• By making objects invisible.

• By changing the direction and amount of force needed.

• By changing the color of objects.

• By making objects lighter.

What is an inclined plane?

• A round object.

• A square object.

• A flying machine.

• A flat surface that is tilted.

What does a wheel and axle do?

• It makes objects heavier.

• It reduces friction and makes moving objects easier.

• It makes objects disappear.

• It changes the color of objects.

How does a screw work?

• By translating rotational motion into linear motion.

• By making objects heavier.

• By changing the color of objects.

• By making objects disappear.