Levers

Which class of lever is this?

• Third Class

• First Class

• Second Class

What is a lever?

• A complex machine with a bar that is used to make objects

• A simple machine with no bar

• A complex machine with no bar

• A simple machine with a bar that is used to move objects

WHAT ARE THE 3 MAIN PARTS OF A LEVER?

• FOOT, EFFORT, FULCRUM

• FULCRUM, EFFORT, REPORT

• FULCRUM, EFFORT, LOAD

Levers make work ___________.

• Ok

• Alright

• Harder

• Easier

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

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

Which part is the 'load'?

• Arrow

• Yellow box

• Blue triangle

Tags

NGSS.3-PS2-1

The ______________ is the point at which a lever pivots