Forces and Machines

Which simple machine is the man using to get the wheelbarrow up into the truck?

• Lever

• Inclined plane

• Wheel and axle

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

This picture shows a ________________.

• Lever

• Wedge

• Pulley

• Wheel and axle

When you use a simple machine you use_________force.

• Less

• More

All simple machines make work______________.

• Harder

• Easier

Label the forces acting in this picture.

a

b

c

gravity

applied

air resistance

Tags

6-8.AG.7.1

Drag the correct forces to where they would be on the picture.

b

a

c

Friction

Air resistance

Applied force

Tags

NGSS.MS-PS2-2

Drag the correct force to the box where that force is happening.

a

b

c

Applied Force

Air Resistance

Friction

Tags

6-8.AG.7.1

What is the fixed point, or balance point, on a lever called?

• Wheel

• Axle

• Fulcrum

• Rope

The parts of a pulley are:

• A wheel, a rope and an axle

• A wheel and axle only

This compound machine is made of :

• A lever and a pulley

• A ramp and a fulcrum

• 2 levers and 2 wedges

• 2 wheels and an axle

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-4