Force, Work and Inclined Planes

Which of the following decreases when an object is moved using an inclined plane?

• The distance the object moves.
• The pull of gravity on the object.
• The force needed to move the object.
• The amount of space the object occupies.

Tags

NGSS.MS-PS2-2

Is a staircase an inclined plane?

• Yes

• No

Is skate board ramp a ramp?

• True

• false

How does distance change the effort when using an inclined plane?

• as distance increases, effort decreases

• as distance decreases, effort decreases

• as distance increases, effort increases

• nothing, they both stay the same

A force can be best described as:

• a push or pull

• something that is exerted

• a change in velocity over change in time

• gravity or friction

If these teams are pulling with the same amount of force what will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.MS-PS2-1

Balanced or unbalanced?

• balanced
• unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Balanced or Unbalanced?

• Balanced 
• Unbalanced

Tags

NGSS.MS-PS2-2

The longer the inclined plane, the ___________________ to move the object

• the less input force you need
• the more input force you need
• the more output force you need
• the less output force you need

Tags

NGSS.MS-PS2-2

Which best describes the role friction plays in the operation of a bicycle?

• Friction makes the bike go faster.
• Friction keeps the bike from stopping.
• Friction turns the bike in a new direction.
• Friction helps the bike slow down and stop.

Tags

NGSS.MS-PS3-5