F = 10 N ? F. 45° If = 7.5 N 30° F F2=8 N Free-body diagram F. F

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Find the acceleration of the 49.00 kg sled and child in m/s2.

Group of answer choices
0.06
20
0.1
7
F = 10 N
?
F.
45°
If = 7.5 N
30°
F
F2=8 N
Free-body diagram
F.
F
Transcribed Image Text:F = 10 N ? F. 45° If = 7.5 N 30° F F2=8 N Free-body diagram F. F
Expert Solution
Step 1

The net force acting on the system is,

F-F cos(30)+ cos(45)-/]i[sin(45)-Fsin(30)]j
-[()cos(30)+ (10)cs(45)-(7.5)]î+[(10)cin(45)-(8)sin(30)]j
-(6.4993+3.0711)N
Step 2

The magnitude of the net force,

6.4993)(3.0711j
7.18836 N
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