Ch05

Page 1

1. We are only concerned with horizontal forces in this problem (gravity plays no direct role). We take East as the +x direction and North as +y. This calculation is efficiently implemented on a vector-capable calculator, using magnitude-angle notation (with SI units understood). & 9.0 ∠ 0° + 8.0 ∠ 118° & F a= = = 2.9 ∠ 53° m 3.0

b

g b

g b

Therefore, the acceleration has a magnitude of 2.9 m/s2.

g


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