Section 9B (Science 6)

When a force moves an object a certain distance = (a)  

​ (a)   x ​ (b)   = ​ (c)  

• Force
• Distance
• Work
• lever
• joule

Tags

NGSS.HS-PS2-1

Any object that makes work easier is called a __.

• machine

• lever

• pulley

• helpful object

• robot

__ and __ are two simple machines that actually consist of an inclined plane.

• levers

• wedges

• screws

• inclined planes

The decrease in effort that is needed to move an object is called (a)   advantage.

A doorknob is an example of what simple machine?

• lever

• wheel and axle

• inclined plane

• pulley

A broom is an example of what simple machine?

• lever

• wheel and axle

• inclined plane

• pulley

An axe blade is an example of what simple machine?

• lever

• wheel and axle

• inclined plane

• pulley

• wedge

A jar lid (inside) is an example of what simple machine?

• screw

• wheel and axle

• pulley

• wedge

What machine(s) is pictured here?

• lever

• wheel and axle

• inclined plane

• pulley

• screw