Simple Machines

How many simple machines are there?

• 7

• 6

• 3

• 10

A screw is made up of ________ wrapped around a pole.

• an inclined plane

• springs

• strings

• levelrs

In order to lift an object heavier than yourself using a lever, you need to move the fulcrum...

• closer to the effort

• closer to the load

• to the middle

Tags

NGSS.MS-PS2-4

A greater force on an object can produce a greater change in motion.

• true

• false

Tags

NGSS.MS-PS2-2

A block and tackle pulley system combines BOTH a fixed and movable pulley.

• true

• false

The weight or resistance that is moved using a simple machine.

• class 3 lever

• effort

• load

• fulcrum

The force applied to move a load using a simple machine.

• class 2 lever

• newton

• effort

• load

Tags

NGSS.MS-ETS1-1

The metric unit used to measure force.

• fulcrum

• newton

• inches

• spring scale

Tags

NGSS.MS-PS2-2

The point at which a lever arm pivots.

• fulcrum

• effort

• load

• resistance

An opposing force tending to prevent motion.

• fulcrum

• load

• effort

• resistance

Tags

NGSS.MS-PS2-2