3. Exercises
Förberedande Mekanik
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| + | ===Exercise 3.4=== | ||
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| + | A plank leans against the back of a lorry, as shown in the diagram. Draw a diagram to show the forces acting on the plank. | ||
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Versionen från 6 september 2009 kl. 14.57
| Theory | Exercises |
Exercise 3.1
A sphere, of mass 20 kg, is supported by a single vertical cable. Find the tension in the cable.
Answer
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Solution
Exercise 3.2
A sphere, of mass 20 kg, is supported by a single vertical cable. Find the tension in the cable.
Answer
Solution
Exercise 3.3
The diagram shows two masses and two strings that are suspended from a fixed point. Find the tension in each string.
Answer
Solution
Exercise 3.4
A plank leans against the back of a lorry, as shown in the diagram. Draw a diagram to show the forces acting on the plank.
Answer
