Levers

Which of the following is the definition of a 'lever'?

• Double inclined plane that moves through another object

• Simple machine that uses less effort over a longer distance

• A simple machine made of a beam and fulcrum

• Spiral shaped inclined plane that's designed to cut through another substance

The force applied to a lever to overcome a load is called

• Effort

• Load

• Fulcrum

• Lever

Which part is the 'load'?

• Arrow

• Yellow box

• Blue triangle

The ______________ is the point at which a lever pivots

There are _____________ types of levers

• One

• Two

• Three

• Four

A first- class lever is one where the

• Load, effort and fulcrum are all on the same side as each other

• Fulcrum is directly in the middle of the effort and load

• Fulcrum is on the same end as the load

• The load is directly in between the fulcrum and effort

This is a

• First- class lever

• Second- class lever

• Third- class lever

• Fourth- class lever

Which of the following is not a second-class lever?

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Which of the following is not a first-class lever?

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Which of the following is not a third-class lever?

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