Quiz on Forces

What is the definition of a force?

• The ability to create an object

• A push or pull acting on an object

• Something that only happens in space

• A movement that happens naturally

What unit is used to measure force?

• Kilograms

• Newtons

• Meters

• Joules

Which of the following is NOT a type of force?

• Gravity

• Upthrust

• Speed

• Friction

True or False: Forces can make objects speed up, slow down, or change direction.

• True

• False

Match the following: Write the letter of the correct match.

• Stops things from sliding

• Gravity ___

• Keeps objects on the ground
  

• Water resistance ___

• Pushes back to stop you from sinking

• Friction ___

What is the force that opposes motion between two surfaces?

• Friction

• Gravity

• Normal force

• Upthrust

What type of force pulls objects towards Earth?

• Normal force

• Friction

• Gravity

• Water resistance

What is the upward force that allows objects to float in water?

• Gravity

• Normal force

• Upthrust

• Friction

What force slows down objects moving through the air?

• Water resistance

• Air resistance

• Gravity

• Friction

True or False: Upthrust is stronger than gravity for objects that float.

• True

• False