At the instant u = 60, the boys center of mass G is momentarily at rest. Determine his speed and the tension in each of the two supporting cords of the swing when u = 90. The boy has a weight of 60 lb. Neglect his size and the mass of the seat and cords.

Lecture 3: Graphics Problem Solving Review Engineer's Scale Practice Sheet Outcomes Use an engineering scale to scale features of a drawing Generate graphic solutions of problems Practice legible writing Exercise 1 Construct a triangle of side lengths 3 cm, 4 cm, and 5 cm and measure the internal angles with your protractor. Use a scale of 1" = 1 cm. Cannot use calculator. o Tools Engineering scale Compass Protractor Exercise 2 Graphically solve the 4 sided polygon to scale on engineering paper Choose a scale so that your drawing is within the solid border and covers 1/2- 3/4 of your page Measure and report length of sides A & B. Measure angl