Velocity and Air Resistance

An object is falling downward through Earth's atmosphere. In which direction is the air resistance force?

• Down

• Up

• Around the object

• Through the object

Tags

NGSS.MS-PS2-2

An airplane flies east at 400 km/hr. In which direction is the air resistance force acting upon the airplane?

• East

• West

• Up

• Down

Tags

NGSS.MS-PS2-2

Blocks #1, #2, #3, and #4 have equal mass. All four blocks slide across the table with a speed of 2 m/s. Which block has the lowest air resistance force acting upon it?

• Block #1

• Block #2

• Block #4

• All have equal air resistance force.

Objects #1, #2, #3, and #4 are sliding across the table. All blocks move at the same speed of 2 m/s. The blocks have different masses.

Which block has the greatest air resistance force acting upon it?

• Block #1

• Block #3

• Block #4

• All will have equal air resistance force.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The upward force which is exerted against a falling object is

• gravity

• terminal velocity

• air resistance

• intertia

What is Air Resistance

• The force of water

• The force that opposes the motion of objects falling through the Earth's atmosphere

• A vacuum

• Terminal Velocity

Tags

NGSS.MS-PS3-5

Friction is a force that acts in a(n) ___________ direction relative to a moving object.

• similar
• opposite
• parallel
• perpendicular

What type of friction acts on an object that is not yet moving?

• Static
• Dynamic
• kinetic
• Rolling

As the child moves down the slide, they mostly experience the effect of ___________.

• Rolling Friction
• Sliding Friction
• Fluid Friction
• Static Friction

The force that opposes motion is ________.

• a balanced force
• an unbalanced force
• an accelerating force
• friction