Examen de Fuerzas y Movimiento

A child drops a ball from a second floor.

• Gravity

• Friction

• Magnetism

• Applied Force

You push a shopping cart down the aisle.

• Applied Force and Friction

• Gravity

• Magnetism

• Normal Force

A magnet sticks to a refrigerator.

• Magnetism

• Gravity

• Friction

• Applied Force

A skateboard slows down on its own when you stop pushing it.

• Friction

• Gravity

• Magnetism

• Normal Force

A book remains at rest on a table.

• Normal Force and Gravity Balanced

• Friction

• Magnetism

• Applied Force

You pull a rope to open a curtain.

• Applied Force

• Gravity

• Friction

• Magnetism

A parachute slows down a falling person.

• Gravity and Air Resistance

• Friction

• Magnetism

• Normal Force

Two people push a box in opposite directions with the same force.

• Balanced Forces

• Gravity

• Friction

• Magnetism

A ball rolls downhill and accelerates.

• Gravity and Minimal Friction

• Magnetism

• Normal Force

• Applied Force

You place a magnet near a paperclip and it moves on its own.

• Magnetism – Non-contact Force

• Gravity

• Friction

• Applied Force