Exploring Simple Machines

What is a lever?

• A lever is a type of pulley used for lifting.

• A lever is a tool for measuring weight.

• A lever is a type of electrical circuit.

• A lever is a simple machine that amplifies force using a rigid bar and a fulcrum.

Name one type of simple machine.

• wheel

• pulley

• screw

• lever

How does a pulley help lift objects?

• A pulley only works in a vertical direction.

• A pulley helps lift objects by changing the direction of force, allowing easier lifting.

• A pulley increases the weight of the object being lifted.

• A pulley requires no force to lift objects.

What is the purpose of an inclined plane?

• To provide a stable base for construction.

• To create a flat surface for rolling objects.

• To increase the speed of an object.

• To reduce the amount of force needed to lift an object.

Can you give an example of a wheel and axle?

• A skateboard wheel.

• A steering wheel.

• A doorknob.

• A bicycle pedal.

What is science

(a)  

What is tecnology

• animal’s

• A iPad,computer,televicion

• a Alexa

• a cactus

What is a lever?

• A lever is a type of pulley used for lifting.

• A lever is a tool for measuring weight.

• A lever is a type of electrical circuit.

• A lever is a simple machine that amplifies force using a rigid bar and a fulcrum.