SIE 5 Chapter 6 More about forces

What is type of force of a boat floats on water?

• applied force

• gravity

• upthrust

• friction

What is type of force of a coin moves as you spin it?

• applied force

• gravity

• upthrust

• friction

What is type of force of a skydiver slows down as he or she falls?

• applied force

• gravity

• air resistance

• friction

A force is a ... or a pull

Forces always act in ....

When an object is placed on a surface, it has two forces acting on it.

Choose two correct answers.

• Gravity acts downwards on the object.

• An upward force known as normal force acts against gravity

• Gravity acts upwards on the object.

• An upward force known as upthrust force acts against gravity

Having less friction between surfaces results in slower motion.

True or False?

• True

• False

Objects at rest have no force acting on them.

True or False?

• True

• False

A box is placed on a table.

Which arrow shows the direction of the gravity acting on the box?

• A

• B

• C

• D

A box is placed on a table.

What is the name of force A?

• Normal force

• gravity

• water resistance

• air resistance