G4SCIENCE ContactandNONCOnForce

Which force pulls objects toward the center of the Earth?

• Frictional force
• Gravitational force
• Magnetic force
• Spring force

What type of force slows down a falling object as it moves through air?

• Normal force
• Frictional force
• Air resistance
• Electrostatic force

When you rub a balloon on your hair, which force makes your hair stand up?

• Magnetic force
• Electrostatic force
• Gravitational force
• Spring force

What force is exerted by a surface to support the weight of an object?

• Air resistance
• Normal force
• Gravitational force
• Magnetic force

What type of force allows a magnet to pull a paperclip toward it?

• Electrostatic force
• Magnetic force
• Frictional force
• Air resistance

Which force opposes the motion of an object sliding on a surface?

• Frictional force
• Gravitational force
• Normal force
• Spring force

When you stretch or compress a spring, what force is acting on it?

• Spring force
• Air resistance
• Electrostatic force
• Magnetic force

A falling leaf slows down because of which force?

• Gravitational force
• Air resistance
• Frictional force
• Normal force

What kind of force is at work when you push a box across the floor?

• Frictional force
• Normal force
• Spring force
• Magnetic force

Why does a book resting on a table not fall through it?

• Gravitational force
• Air resistance
• Normal force
• Magnetic force