Exploring Force and Simple Machines

Which of the following is a simple machine?

• Bicycle

• Lever

• Car

• Computer

What is the primary function of a pulley?

• To cut materials

• To lift heavy objects

• To measure weight

• To generate electricity

Which force is responsible for keeping us on the ground?

• Friction

• Gravity

• Magnetism

• Tension

A seesaw is an example of which type of simple machine?

• Pulley

• Inclined Plane

• Lever

• Wheel and Axle

What happens to an object when a force is applied to it?

• It always moves in the opposite direction

• It changes its shape

• It may change its speed or direction

• It becomes heavier

Which of the following is an example of an inclined plane?

• Screw

• Ramp

• Wheel

• Pulley

What type of force is used when you push a door open?

• Tension

• Compression

• Applied Force

• Gravitational Force

Which simple machine is used to hold things together?

• Wedge

• Screw

• Pulley

• Lever

In which direction does friction act?

• In the direction of motion

• Opposite to the direction of motion

• Perpendicular to the direction of motion

• In all directions

Which of the following is a real-world application of a wheel and axle?

• Scissors

• Flagpole

• Car

• Knife