How pulleys can help us | Starter Quiz | Oak National Academy

What do pull forces do?

• move objects further away

• move objects closer

• keep objects in the same position

Answer explanation

Pull forces move objects closer.

Which of these activities involve a push force?

• 
• 
• 

Answer explanation

Turning on a light switch and walking involve push forces.

Gravity is the force that attracts or (a)   objects to Earth.

Answer explanation

Gravity is the force that attracts or pulls objects to Earth.

A seesaw is an example of what type of simple machine or mechanism?

(a)  

Answer explanation

A seesaw is an example of a lever.

When you use a lever, what do you call the force used to move an object.

• the push

• the effort

• the pull

• the load

Answer explanation

When you use a lever, the force used to move an object is called the effort.

What is the name given to the thing you lift using a lever?

(a)  

Answer explanation

The load is the name given to the thing you lift using a lever.