The pivot point in a lever system is called a(n)...

The unit used to measure force is called a...

A baseball bat is one type of lever system. What class lever is it?

Which of the pairs of levers belongs to the same class?

What should you always do first with a spring scale?

A single-fixed pulley is useful, because...

A single-movable pulley system can pose a challenge, because...

What happens to the amount of effort required to lift a load on a lever when you move the effort closer to the fulcrum?

Since the load on a nutcracker is found in the middle, it is a class-? lever.

What pulley system does not give an advantage by reducing effort?

If a pulley system had FOUR segments of rope that help lift the load, what is the effort reduced by?

What is the fulcrum?

The mass lifted or the resistance overcome on a lever is called what?

What two things make up work?

What situation would give you a mechanical advantage?

What situation would give you a directional advantage?

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