An ideal spring, with a pointer attached to its end, hangs next to a scale. With a 100N weight attached, the pointer indicates "40" on the scale as shown. Using a 200N weight instead results in "60" on the scale. Using an unknown weight X results in "30" on the scale. The weight X is: Hint: Draw the force - Displacement diagram. 40 100 N O 1.20 N O 2.30 N O 3.40 N O 4.50 N O 5.70 N

An ideal spring, with a pointer attached to its end, hangs next to a scale. With a 100N weight attached, the pointer indicates "40" on the scale as shown. Using a 200N weight instead results in "60" on the scale. Using an unknown weight X results in "30" on the scale. The weight X is: Hint: Draw the force - Displacement diagram. 40 100 N O 1.20 N O 2.30 N O 3.40 N O 4.50 N O 5.70 N

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Free Body Diagram

The system of forces acting on a body tends to either rotate it or make the body undergo motion. In general, when an external agent exerts a force on a body, the body undergoes translational motion and rotational motion. The body has six degrees of freedom under the influence of that force. Here, three degrees of freedom are from the translational motion while the other three are from the rotation motion. However, sometimes the bodies are not allowed to undergo any motion and are fixed, under such conditions the body is said to be constrained.

Question

An ideal spring, with a pointer attached to its end, hangs next to a scale. With a 100 N weight
attached, the pointer indicates "40" on the scale as shown. Using a 200N weight instead results
in "60" on the scale. Using an unknown weight X results in "30" on the scale. The weight X is:
Hint: Draw the force - Displacement diagram.
100 N
O 1.20 N
O 2.30 N
O 3.40 N
O 4.50 N
O 5.70 N

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