Complex Machines

A device that has two or more simple machines working together 

• fulcrum 
• pulley
• compound (complex) machine 
• motor 

Tags

NGSS.MS-PS2-2

NGSS.MS-ETS1-4

What do you call a machine made up of two or more simple machines?

• complicated machine
• compound or complex machine
• comprehensive machine
• constructive machine

What is a compound machine?

• uses a wheel and rope to lift a load
• wheel that turns on a post
• flat surface that is higher at one end
• made from two or more simple machines

What simple machines make up a pair of scissors?

• Pulley and Wedge

• Wheel and Axel and Lever

• Pulley and Screw

• Wedge and Lever

Tags

NGSS.MS-PS2-1

Is this a simple machine or compound machine?

• Simple Machine
• Compound Machine

Is this a simple machine or a compound machine?

• Simple Machine
• Compound Machine

Is this a simple machine or compound machine?

• Simple Machine
• Compound Machine

Tags

NGSS.MS-PS2-2

A fishing pole is an example of a compound machine. What simple machines are used to make up this compound machine?

• lever, wheel and axle, pulley
• wheel and axle, inclined plane, pulley
• wheel and axle, pulley, inclined plane