© Department of Physics, University of Guelph.

Select the problem number or part you wish.

1. What are the dimensions and S.I. units of the following?

(a) pressure

(b) force

(c) energy

(d) pressure

(e) density

(f) e^{2}

2. Given E = a*l* sin bt, where E is energy,
*l*
is length and t is a time, what are the dimensions and S.I. units of a
and b?

3. Given mv = Ft, where m is mass, v is speed, F is force, and t is time, what are the dimensions of each side of the equation? Is the equation dimensionally correct?

4. Given ps(R^{2}
- r^{2}) = k(*l* - x) where s is
a pressure and r, R, x and *l* are all lengths, what are the dimensions
and S.I. units of k?