Forces of Motion - Walker

How is forced stopped?

• A force is stopped by applying a weaker force against it.

• A force is stopped by applying an equal weight against it.

• A force is stopped by applying a stronger force against it.

What can SLOW down a force?

• gravity

• resistance

• lever

• pulley

Real life examples of _________ are a jar lid, bottle top, base of a lightbulb.

• lever

• pulley

• wedge

• screw

Real life examples of a _________ are a skateboard, stairs, and a ladder.

• screw

• inclined plane

• wedge

• pulley

________ pushes objects apart or helps to open/keep things open or apart

• screw

• wedge

• lever

• pulley

__________ is used to reverse gravitational pull.

• pulley

• lever

• wheel

• screw

Tags

NGSS.MS-ETS1-2

_________ uses a middle called a Fulcrum.

• screw

• lever

• pulley

• wedge

__________ spreads the amount of force over a distance and helps hold things on or together

• screw

• wedge

• level

• wheel and axel

Tags

NGSS.MS-PS2-2

________ are tools we use to help us change the direction of a force or change the amount of force needed for work.

• weights

• simple machines

• gravity

• balances

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Screws, wedges, wheel/axel, levers, pulleys, and inclined planes are examples of ____________.

• simple machines

• balances

• gravity

• forces