The Figure Shows A Model Fo x Cutnell, Physics, 10e INTRO TO PHYSICS (PHYS 207/2

Question

The Figure Shows A Model Fo x Cutnell, Physics, 10e INTRO TO PHYSICS (PHYS 207/208) Gradebeok ORION RION Dewnloadable aTextbook Chapter 09, Problem s Your answer is partially correct. Try again. The figure shows a jet engine suspended beneath the wing of an airplane. The weight of the engine is 12800 N and acts as shown in the figure. In fight the engine produces a thrut?of53900 N that is parallel to the ground. The rotatonal aus n the ngre sp dolr to the plane ofthe paper. with respect to this ass, nnd the magnitude of the torque due to (a) the weight and (b) the thrust Units N-m (o) Number 5 8 0

Explanation / Answer

Torque = force * perpendicular distance

We need to find perpendicular distance.

we can use trigonometric identity to find the perpendicular distance. Remeber for weight and thrust, there is different perpendicular distances

(a) For weight, we have sin theta = d / 2.50

sin 32 = d / 2.50

d = 2.50*sin 32

so, Torque by weight = 12800*2.50*sin 32

Torque = 16957.42 N.m

(b) for thrust,

we have cos theta = d/2.50

d = 2.50*cos 32

so, torque = 53900*2.50*cos 32

torque = 114274.5 N.m

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