Free Fall Concepts

A free falling objects falls under the influence of 

• force of air
• force of gravity
• force of resistance
• force of 

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Free-falling objects do not encounter 

• air resistance 
• force of gravity
• downward acceleration

Approximately how far can an object fall in 5 seconds? 

• 5 m
• 25 m
• 50 m/s
• 125 m

Tags

NGSS.HS-PS2-1

Kenyatta drops on object and it free falls for 5.00 seconds and has a final velocity of 49.0 m/s. What was the height of the cliff the object was dropped from?

• 122.5 m

• 250 M

• 24.5 m

• 0 m

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A free falling object falls for 1.6 s. What is the final velocity?

• -15.68 m/s
• - 9.8 m/s
• - 6.125 m/s
• - 25.088 m/s

Tags

NGSS.HS-PS2-1

A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its velocity will be (down is considered a negative direction):

• 19.6 m/s
• -5.4 m/s
• -44.6 m/s
• 44.6 m/s

Tags

NGSS.HS-PS2-1

1.  An object free falls for 3.5 seconds. How far does it fall?

• 120.05 m
• 17.15 m
• 60.03 m
• 34.3 m

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A ball is thrown up in the air with an initial velocity of 40 m/s. What is the ball's velocity after 2 seconds? 

• 0 m/s 
• 20 m/s traveling upward
• 20 m/s traveling downward
• 40 m/s traveling downward

Tags

NGSS.HS-PS2-1

A ball is thrown up in the air with an initial velocity of 40 m/s. What is the ball's velocity after 6 seconds? 

• 20 m/s traveling upward.
• 10 m/s traveling downward.
• 20 m/s traveling downward. 
• 30 m/s traveling downward. 

Tags

NGSS.HS-PS2-1

A free falling object falls for 1.6 s. What is the final velocity?

• -15.68 m/s
• - 9.8 m/s
• - 6.125 m/s
• - 25.088 m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4