Concept explainers
(a)
To Find: The force being perpendicular to the door.
(a)
Answer to Problem 23P
The force is exerted perpendicular to door is
Explanation of Solution
Given information:
A person exerts a force of
Formula used:
Here,
Calculation:
Force exerted by person,
Length of Door,
If the force is exerted perpendicular to door, the torque
Substituting the values as shown below,
Conclusion:
Hence, the force is exerted perpendicular to door is
(b)
To Find: The angle facing the door.
(b)
Answer to Problem 23P
The force is at an angle
Explanation of Solution
Given information:
A person exerts a force of
Formula used:
Here,
Calculation:
If the force is at an angle
Substituting the values as shown below,
Conclusion:
Hence, the force is at an angle
Chapter 8 Solutions
Physics: Principles with Applications
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