Bill Nye on Balance Quiz

When you push or pull an object, you are exerting a force

• true

• false

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Pushing on an object above its center of gravity causes it to move in a straight line

• true

• false

An objects center of gravity is ALWAYS locatedmidway between one end and the other

• true

• false

When you are sitting and want to stand up, you must lean forward so your center of gravity is directly above your feet

• true

• false

Torque is a twisting force

• true

• false

The semicircular canals of the inner ear are the only parts of our bodies necessary to maintain our balance

• true

• false

In which of the following does torque play a part

• opening a flip top can

• digging and lifting a shovel full of dirt

• pedaling a bicycle

• all of the above

Which of the following parts of the human body does NOT contribute to maintaining balance

• muscle and joints

• heart

• inner ear

• eyes

What occurs when forces are opposite and equal (be careful)

• lack of balance

• no motion

• balance

• acceleration

If you have a 5 pound weight on each side of a ruler (in balance) and you double the weight on one side, the weight on the other side has to be noved "how" to keep it in balance

• 2X as far from the center

• 2X as close to the center

• 4x as far from the center

• 4x as close to the center