the specifications about it: – Understand the question.
– Draw a small diagram to illustrate the forces.
– Identify the numerical values with the variables in the “cheat sheet” formulas. – You may also use the textbook to do the same.
– Plug in the numerical values and work out the answer.
– Sometimes some algebra is needed to move the unknown to the left side of the equation before putting values in.
– Be careful about the units.
– Show all calculations to get full credit.