Simple Machines

Which is not a type of simple machine?

• spring

• screw

• pulley

• wedge

Which of the following does a simple machine do?

• allows the users to apply less force over a longer distance
• reduce the amount of force needed to do work
• change the direction of the applied force
• all of the above

If you use a crowbar to get the lid off of a bucket, what simple machine are you using?

• inclined plane

• pulley

• wheel and axle

• lever

How does a driver use a steering wheel as a simply machine?

• The driver is using a wheel and axle to reduce the amount of force.

• The driver is using a lever to steer the vehicle.

• The driver is using a pulley and lever to steer the vehicle.

• The driver is using a wheel and axle to reduce the amount of work needed to steer the vehicle.

Tags

NGSS.MS-PS2-2

How does a movable pulley make lifting objects easier?

• The amount of force needed is doubled.

• the amount of force needed is increased.

• the amount of force needed is reduced.

• the amount of force needed stays the same.

Tags

NGSS.MS-ETS1-2

Where should the fulcrum be placed in order for the student to use the least amount of effort possible? 

• point A
• point B
• point C
• point D

Tags

NGSS.MS-PS2-2

Would it be easier to move a box of the same mass up a ramp that was long and gradual or short and steep?

• long and gradual
• short and steep

Flagpole

• wedge
• pulley
• incline plane
• wheel and axle

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Stairs

• wedge
• pulley
• inclined plane
• wheel and axle

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of these is an example of a wedge?

• skateboard
• broom
• stairs
• butter knife