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.
Determine the value of TTT, providing a justification based on the physical state of the system.
Identify one assumption made regarding the tow-line in your answer to part (a).
Calculate the magnitude of the drag force acting on the aircraft.
130 exam-style questions on Edexcel A Level Maths Applications of Forces, covering 7.1 Static Particles, 7.2 Modelling with Statics, 7.3 Friction and Static Particles, 7.4 Static Rigid Bodies, 7.5 Dynamics and Inclined Planes, and 7.6 Connected Particles 2. Each one has a worked solution and a mark scheme showing where the marks go.