Simple Machines Review

How does a simple machine make work easier?

• reducing work
• reducing force
• increasing work
• increasing force

The fixed point on a lever is called...

• load
• fulcrum
• effort
• force

Which is an example of work?

• Carrying a bag of groceries
• pushing a brick wall
• rearranging desks
• holding a book

What is an incline plane?

• a sloping surface
• a grooved wheel with a rope
• a rigid bar
• a fixed point

What is the instrument that measures force?

• triple beam balance
• spring scale
• scale
• graduated cylinder

What type of pulley will use the least amount of effort to lift a load?

• rigid pulley
• movable pulley
• sloping pulley
• fixed pulley

Tags

NGSS.MS-ETS1-2

Which incline plane uses the least amount of force?

• short height, long length
• short height, short length
• tall height, long length
• tall height, short length

What is force measured in?

• weight
• newtons
• grams
• meters

What type of machine changes the direction of the force but not the amount of force?

• fixed pulley
• incline plane
• movable pulley
• lever

Where should the load be on a lever to reduce the force?

• far from fulcrum
• close to fulcrum
• beside the effort
• in the middle