2. Exercises

From Mechanics

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b) Calculate the magnitude of each of these forces.
b) Calculate the magnitude of each of these forces.
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</div>{{#NAVCONTENT:Answer|Answer 2.1|Solution a|Solution 2.1a|Solution b|Solution 2.1b}}
</div>{{#NAVCONTENT:Answer|Answer 2.1|Solution a|Solution 2.1a|Solution b|Solution 2.1b}}
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</div>{{#NAVCONTENT:Answer|Answer 2.2|Solution|Solution 2.2}}
</div>{{#NAVCONTENT:Answer|Answer 2.2|Solution|Solution 2.2}}
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===Exercise 2.3===
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A helicopter, of mass 800 kg, is rising at a constant rate.
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a) Are the forces acting on the helicopter in equilibrium?
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b) Calculate the magnitude of the vertical lift force on the helicopter.
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</div>{{#NAVCONTENT:Answer|Answer 2.3|Solution a|Solution 2.3a|Solution b|Solution 2.3b}}

Revision as of 09:18, 6 September 2009

       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.

Answer
Answer 2.1
Solution a
Solution 2.1a
Solution b
Solution 2.1b

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
Answer 2.2
Solution
Solution 2.2


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.


Answer
Answer 2.3
Solution a
Solution 2.3a
Solution b
Solution 2.3b
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