To determine whether the two forces are perpendicular to each other.
Answer to Problem 39PPE
The forces are perpendicular.
Explanation of Solution
Given information :
Force A=50-lb
Force B=120-lb
Force C=130-lb
According to Pythagoras theorem in any right angle
Here we shall put the values from the figure to check whether it satisfy the Pythagorean condition.
Hence we get,
Hence the condition satisfies. Therefore we can conclude that the forces are perpendicular.
Chapter 10 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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