Aerospace 1

​https://youtu.be/FCtrFOsCbRw

use this link to answer questions.​

Multiple Choice

What are the 4 forces on an airplane?

• thrust, lift, weight, drag

• water, fire earth,air

• thrust, inertia, drag, gravity

• thrust, air resistance, gravity, drag

Multiple Choice

Who flew the 1st successful aircraft?

• Amelia Earhart

• Jimmy Doolittle

• Wright Brothers

• Bessie Coleman

Multiple Choice

What is the lift formula and what symbol do we use for desnity?

• L=1/2 rhoClV2

• L=1/2 rhoClV^2

• F=m*a

• y=mx+b

Multiple Choice

What is the standard density?

• 3.14159265kg/m^3

• 1.2754kg/m^3

• 9.8m/s^2

• 1.2745kg/m^2

Open Ended

Where is the angle of attack?

Multiple Choice

As the angle of attack increases the coefficient of lift

• Increases

• Decreases

Multiple Choice

What factors contribute to the mass of an aircraft?

• fuel, drag, mass, gravity

• fuel, payload, weight, gravity

• fuel, payload, passengers, lift

• fuel, payload, passengers, aircraft weight

Multiple Choice

What is the formula to find the aircraft's weight?

• W=mg

• W=ma

• W=mv

• W=m

Multiple Choice

When mass increases weight

• Decreases

• Increases

Multiple Choice

Resistance limits the aircrafts

• acceleration

• velocity

• weight

• potential

Fill in the Blanks

Pressure and velocity are

proportional.

Open Ended

What is Newtons 1st law?

Open Ended

What is Newtons 2nd law?

Open Ended

What is Newtons 3rd law?

Multiple Choice

A Boeing 737 with a mass of 3.6x10^4 kg is traveling eastbound at an acceleration of 165 m/s^2

What is the force of the aircraft? $$F=m\cdot a$$  

• 59400

• 5.94x10^4

• 59400000

• 5.49x10^4

Multiple Choice

An aircraft at standard cruising altitude is ascending at and angle of 20 degrees, at a velocity of 130 m/s.

What is the lift? $$L=\frac{1}{2}\rho C_Lv^2$$  

Hint: you need standard density

• 691000

• 196000

• 1.69x10^4

• 169000

Multiple Choice

Flight 1042 is about to land in San Antonio. The aircraft is travelling at an altitude of 1.06x10^4 meter and has 1.2x10^4 kg of fuel onboard as well as 2x10^4 kg worth of passengers and payload.

What is the weight?

• 163300

• 316300

• 313600

• 313

Multiple Choice

What is the lift (in Newtons) on a wing of an aircraft 7x10^3 meters in the air if the aircraft is climbing at 140 m/s?

$$p_1+\frac{1}{2}\rho v^2+\rho gh_1$$  

Hint: p1=101.325LPa

• 10092.685

• 100092.685

• 100029.685

• 100992.658