4. Exercises

Förberedande Mekanik

(Skillnad mellan versioner)
Hoppa till: navigering, sök
Rad 32: Rad 32:
<math>a\mathbf{i}+b\mathbf{j}</math>
<math>a\mathbf{i}+b\mathbf{j}</math>
-
 
+
[[Image:E4.2.GIF]]
</div>{{#NAVCONTENT:Answer a|Answer 4.2a|Answer b|Answer 4.2b|Answer c|Answer 4.2c|Answer d|Answer 4.2d|Answer e|Answer 4.2e|Answer f|Answer 4.2f}}
</div>{{#NAVCONTENT:Answer a|Answer 4.2a|Answer b|Answer 4.2b|Answer c|Answer 4.2c|Answer d|Answer 4.2d|Answer e|Answer 4.2e|Answer f|Answer 4.2f}}

Versionen från 8 september 2009 kl. 13.34

       Theory          Exercises      


Exercise 4.1

The diagram shows a force and the unit vectors \displaystyle \mathbf{i} and \displaystyle \mathbf{j}

Image:E4.1.GIF

Express the force in terms of the unit vectors \displaystyle \mathbf{i} and \displaystyle \mathbf{j}


Exercise 4.2

Express each of the forces given below in the form \displaystyle a\mathbf{i}+b\mathbf{j}

Image:E4.2.GIF