Homework Help: physics

Posted by minas on Monday, April 2, 2012 at 8:16am.

A particle moving in the xy plane under goes displacement s=(2i+3j)m while the constant force is given by F=(5i+2j)N.calculate the work done by the force F.

physics - drwls, Monday, April 2, 2012 at 8:19am
Take the dot product of the displacement and force vectors.

Looks like 16 joules.

Review vector dot (scalar) products
physics - drwls, Monday, April 2, 2012 at 8:20am
http://www.netcomuk.co.uk/~jenolive/vect6.html

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