Problem 1/1 Page 13, Engineering Mechanics - Dynamics, Meriam and Kraige, 4th Edition
Given: Weight of one dozen apples is 5 lb.
Find: Average mass in slug and kg. Average weight in newtons.
Average Weight in Pounds = 5/12 lb
W = m g g = 32.2 ft/s2
m = 5/12 lb / 32.2 ft/s2 = 0.01294 lb s2/ft = 0.01294 slug
To convert to kg, use the table in the front of the book.
1 slug = 14.594 kg
m = 0.01294 slug * 14.594 kg/slug = 0.1888 kg
W = m g g = 9.81 m/s2
W = 0.1888 kg * 9.81 m/s2
W = 1.853 kg m/s2 = 1.853 N > 1 N