2. Exercises
Förberedande Mekanik
| Theory | Exercises |
Exercise 2.1
A man, of mass 75 kg, stands on a horizontal surface. Assume that the man has two points of contact with the ground.
a) Draw a diagram to show the forces acting on the man.
b) Calculate the magnitude of each of these forces.
Hämtar...Exercise 2.2
An aeroplane circles an airport at a constant speed. Are the forces acting on the aeroplane in equilibrium? Explain your answer.
Answer
Solution
Exercise 2.3
A helicopter, of mass 800 kg, is rising at a constant rate.
a) Are the forces acting on the helicopter in equilibrium?
b) Calculate the magnitude of the vertical lift force on the helicopter.
