Forces 1

A force is a _____ or a _____ in a particular direction.

• Up

• Push

• Down

• Pull

True or False: Forces affect motion.

• True

• False

What is a contact force?

• a force that pulls.

• A force that pushes.

• A force that requires things to touch.

• A force that doesn't require things to touch.

What is a non-contact force?

• A force that doesn't require things to touch.

• A force that pushes.

• A force that requires things to touch.

• a force that pulls

What do we use to measure forces?

• Newtons

• Force meter

• Newton meter

• Force scale

Which unit is weight measured in?

• Kilograms

• Newtons

• Grams

• Newtons squared

Which one is a non-contact force?

• Gravity

• Air resistance

• Upthrust

• friction

Which one is a contact force?

• Gravity

• Air resistance

• Static electricity

• Magnetism

What are the contact forces?

• Force

• Friction

• Drag

• static electricity

Which one generally has less friction

• Smooth surfaces

• Rough surfaces