Define the term power.
State the meaning of gravitational potential energy.
An aircraft with mass $1200\,\text{kg}$ climbs at a constant speed of $45\,\text{m s}^{-1}$, as illustrated in Fig. 3.1. Its engine supplies a thrust force of $2.0 \times 10^3\,\text{N}$ to propel the aircraft through the air. The aircraft’s height increases at $3.3\,\text{m s}^{-1}$. Calculate the power produced by the thrust force.
Determine the work done by the thrust force over a time interval of $3.0\,\text{minutes}$.
Determine the increase in gravitational potential energy of the aircraft over a time interval of $3.0\,\text{minutes}$.
Determine the work done against air resistance over a time interval of $3.0\,\text{minutes}$.
Use your answer in (b)(ii) part 3 to calculate the force due to air resistance acting on the aircraft.
With reference to the aircraft’s motion, state and explain if the aircraft is in equilibrium.