11. Exercises

Förberedande Mekanik

Version från den 17 september 2009 kl. 14.19; Ian (Diskussion | bidrag)
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Exercise 11.1

As a ball bounces on a table, the table exerts a upward normal reaction force on the ball. Describe the reaction to this force..



Exercise 11.2

A beam rests in equilibrium on two supports.

a) Draw a diagram to show the forces that act on the beam.

b) What can you deduce about the forces that the beam exerts on the supports?