A 2400kg airplane is pulling two gliders, the first of mass 350kg and the second

Question

A 2400kg airplane is pulling two gliders, the first of mass 350kg and the second of mass 280kg , down the runway with an acceleration of 1.6m/s2 (Figure below). Neglecting the mass of the two ropes and any frictional forces.(Figure 1)

Part A

Determine the horizontal thrust F of the plane's propeller.

Express your answer using two significant figures.

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Part B

Determine the tension force T1 in the first rope.

Express your answer using two significant figures.

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Part C

Determine the tension force T2 in the second rope.

Express your answer using two significant figures.

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Part D

Determine the net force Fnet on the first glider.

Express your answer using two significant figures.

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A 2400kg airplane is pulling two gliders, the first of mass 350kg and the second of mass 280kg , down the runway with an acceleration of 1.6m/s2 (Figure below). Neglecting the mass of the two ropes and any frictional forces.(Figure 1)

Part A

Determine the horizontal thrust F of the plane's propeller.

Express your answer using two significant figures.

F =   N  

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Part B

Determine the tension force T1 in the first rope.

Express your answer using two significant figures.

T1 =   N  

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Part C

Determine the tension force T2 in the second rope.

Express your answer using two significant figures.

T2 =   N  

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Part D

Determine the net force Fnet on the first glider.

Express your answer using two significant figures.

Fnet =   N  

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Explanation / Answer

Fthrust = Fnet on airplane     = Mtotal * a

Fthrust = (2400 + 350 + 280) X 1.6   =4848 N

B)
T1 = m1a = 350 x 1.6   =560 N

C) T2 = m2a = 280 x 1.6 =448 N

D) Fnet = m1a = 560 N

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