Question

Why does a skydiver need a parachute to land safely?

(5 points)
Responses

It decreases air resistance and slows the skydiver to a safe speed
It decreases air resistance and slows the skydiver to a safe speed

It increases air resistance and slows the skydiver to a safe speed
It increases air resistance and slows the skydiver to a safe speed

a parachute isn't needed in order for a skydiver to safely land
a parachute isn't needed in order for a skydiver to safely land
Question 2
What force causes objects falling near Earth's surface to slow down?(5 points)
Responses

Gravity
Gravity

Air Resistance
Air Resistance

Terminal Velocity
Terminal Velocity

Centripetal Force
Centripetal Force
Question 3


If a golf ball and a baseball are dropped in the absence of air resistance, which ball will hit the ground first?

(5 points)
Responses

the golf ball
the golf ball

the baseball
the baseball

they will hit at the same time
they will hit at the same time
Question 4
If a feather and a baseball are dropped in the presence of air resistance, which ball will hit the ground first?(5 points)
Responses

the feather
the feather

they will hit at the same time
they will hit at the same time

the baseball

Answer 1

1) It increases air resistance and slows the skydiver to a safe speed.

2) Air Resistance.

3) they will hit at the same time.

4) the baseball.