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3.4.9 Equations for a particle in equilibrium (A-level only)

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Question 1

An electric aircraft is towing a glider along a straight horizontal flight path at a constant speed.

A constant tension of TTT newtons exists in the horizontal tow-line connecting the aircraft to the glider.

The aircraft's propulsion system provides a constant forward thrust of 3200 N3200 \text{ N}3200 N.

The constant air resistance (drag) acting on the glider is 1150 N1150 \text{ N}1150 N.

a.

Determine the value of TTT, providing a justification based on the physical state of the system.

[2]
b.

Identify one assumption made regarding the tow-line in your answer to part (a).

[1]
c.

Calculate the magnitude of the drag force acting on the aircraft.

[2]

3.4.9 Equations for a particle in equilibrium (A-level only) Questions

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