Work and Simple Machines Modified

Work = force x _______________

• energy

• 
  height

• 
  displacement

Tags

NGSS.MS-PS3-5

Work is being done by pushing the lawnmower when mowing the lawn.

• True

• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Is work being done when pushing on a wall?

• Yes

• No

Tags

NGSS.HS-PS2-1

A screw is an inclined plane wrapped around a cylinder.

• True
• False

The force you exert on the object is called the ________ force

• 
  output or load

• input or effort

• 
  fulcrum

The position of the _______ determines which class a lever is.

• fulcrum

• 
  screw

• Joule

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Incline planes.....

• are sloping surfaces

• use less effort but more distance

• make our life easier

• all of the above

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Which type of lever is this with the fulcrum in the middle?

• First

• Second

• Third

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If you can't lift the load with a 1st class lever, you should...

• move the fulcrum farther from the load

• 
  move the fulcrum closer to the load

What type of lever is this?

• First

• Second

• Third

Tags

NGSS.MS-PS2-2