Exploring Simple Machines

What is a simple machine?

• A simple machine is a tool used for cooking.

• A simple machine is a type of complex machinery.

• A simple machine is a device that only increases speed.

• A simple machine is a device that changes the direction or magnitude of a force.

Which of the following is NOT a simple machine?

• Bicycle

• Lever

• Inclined Plane

• Pulley

What type of simple machine is a lever?

• A lever is a type of inclined plane.

• A lever is a type of simple machine.

• A lever is a type of pulley.

• A lever is a type of wheel.

What is the purpose of a pulley?

• To measure weight accurately

• To create friction for better grip

• To store energy for later use

• The purpose of a pulley is to lift heavy objects more easily by changing the direction of force and reducing the effort needed.

Which simple machine is used to lift heavy objects?

• Inclined Plane

• Pulley

• Wheel and Axle

• Lever

What is an example of an inclined plane?

• A wheel

• A lever

• A ramp

• A flat surface

How does a wheel and axle work?

• A wheel and axle generates electricity through friction.

• A wheel and axle is used to lift heavy objects vertically.

• A wheel and axle functions by spinning in place without movement.

• A wheel and axle works by allowing the wheel to rotate around the axle, facilitating movement and reducing friction.

What is the function of a screw?

• To measure distances accurately.

• To fasten objects together or lift materials.

• To serve as a decorative element.

• To create holes in materials.

Which simple machine can change the direction of force?

• Wheel and axle

• Pulley

• Inclined plane

• Lever

What is the mechanical advantage of using simple machines?

• Mechanical advantage requires equal input and output forces.

• Mechanical advantage allows for a smaller input force to lift or move a larger load.

• Mechanical advantage increases the weight of the load.

• Mechanical advantage is only applicable to complex machines.