TEST #4

If I push a desk with 10 N of force, how does the desk push back on me?

• 0 N

• 5 N

• 20 N

• 10 N

Tags

NGSS.MS-PS2-1

The velocity of an object in free-fall is how ___ the object is traveling.

It is measured in ___ (what unit?).

• Fast

  (First blank)

• Slow

  (First blank)

• km

  (Second blank)

• m/s

  (Second blank)

___ is always pulling on an object.

• Freefall

• Gravity

• Friction

• Newtons

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The rate of acceleration due to gravity is:

• 30 m/s/s

• 9.8 m/s

• 9.8 m/s/s

• 10 m/s

If an object is not pressing on a surface, but the only force acting on it is gravity, it is in:

Tags

NGSS.MS-PS2-4

Is there true freefall on Earth?

• NO!!!!!!

• YES!!!!!

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Air resistance pushes ____.

• DOWN

• UP

What is air resistance?

What happens when a skydiver jumps?

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

When a balloon pushes air out hole what pushes the balloon?

• The balloon

• Air

• The hole

Tags

NGSS.MS-PS2-5