Answer:
Technician B
Explanation:
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The components of the reaction force in a ball and socket joint include the horizontal and vertical reaction forces.
<h3>What is a reaction force?</h3>
A reaction force is an equal but oppositely directed force which forms a pair which the applied or action force.
Tension is a type of force which is present in a string or a rope supporting a body or object.
A ball and socket jont is a type of joint in the body which is able to rotate freely about an axis.
The components of the reaction force in a ball and socket joint include the horizontal and vertical reaction forces.
Learn more about reaction forces at: brainly.com/question/1013858
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Answer: (b)
Explanation:
Given
Original length of the rod is 
Strain experienced is 
Strain is the ratio of the change in length to the original length

Therefore, new length is given by (Considering the load is tensile in nature)

Thus, option (b) is correct.
Explanation:
<h3>1.*Frame Structure have joins which keep them together whereas Shell Structure have no joins.</h3><h3>*Shell Structure usually only support their own weight whereas Frame Structure support others weight as well as themselve.</h3>