1 16 The pascal Pa is actually a very small unit of pressure To show this convert 1 Pa 1 N m to lb ft Atmosphere pressure at sea level is 14 7 lb in How many pascals is this 2 1 If 60 and F 450 N determine the magnitude of the resultant force and its direction measured counterclockwise from the positive x axis 15 700 N F F Probs 2 1 2 2 4 The vertical force Facts downward at A on the two membered frame Determine the magnitudes of the two components of F directed along the axes of AB and AC Set F 500 N 30 Probs 2 4 5 B 45