Forces Answers

Examples, Exercises

Exercise 1.

(a) magnitude 2236 N, angle to the east = 63.43°
(b) magnitude 2828 N, angle to the east = 45°
(c) magnitude 3605 N, angle to the east = 33.69°
(d) magnitude 4472 N, angle to the east = 26.57°


Exercise 2.

(a) component to the east = 2819 N, to the north = 1026 N
(a) component to the east = 2298 N, to the north = 1928 N
(a) component to the east = 1500 N, to the north = 2598 N
(a) component to the east = 520.9 N, to the north = 2954 N


Exercise 3.

Force from the third cow is in a direction that is between south and west:

(a) magnitude = 1414 N, angle to the west = 45°
(b) magnitude = 2236 N, angle to the west = 63.43°
(c) magnitude = 3162 N, angle to the west = 71.57°
(d) magnitude = 4123 N, angle to the west = 75.96°


Copyright 2011 by Kai Hock. All rights reserved.
Last updated: 15 July 2011