Which of of the four forces of flight opposes thrust/propulsion?
Drag
Oops!
Check
Okay!
Check
15
True or False: Air is considered a fluid since it is an invisible gas that flows throughout the air
True
Oops!
Check
Okay!
Check
20
How do hot air balloons fly?
The air in the balloon is heated, thus making it less dense than the air outside the balloon. The less dense air makes it float
Oops!
Check
Okay!
Check
20
Which law states that for every action, there's an equal and opposite reaction?
Newton's Third Law
Oops!
Check
Okay!
Check
15
Which of the four forces of flight opposes weight?
Lift
Oops!
Check
Okay!
Check
15
When a skydiver uses a parachute, he/she is using which type of force: Lift, weight, drag or thrust?
Drag
Oops!
Check
Okay!
Check
15
True or False? Gravity is the biggest restriction to flying and lifting off the ground
True
Oops!
Check
Okay!
Check
seesaw
Swap points!
Oops!
rocket
Go to first place!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
15
Aerodynamic vehicles prevent: thrust, lift, drag, or weight?
Drag
Oops!
Check
Okay!
Check
20
How can an aircraft overcome excess weight? a) Higher takeoff speed b)longer runway c) this cannot happen d) a + b +lower maximum of altitude, and slower cruising speed
D
Oops!
Check
Okay!
Check
15
Bernoulli's Principle helps describe which of the four forces of flight
Lift
Oops!
Check
Okay!
Check
15
True or False? Gravity pulls all matter to the centre of the earth