A spring is fixed at the top and extends down a frictionless incline of 20°. When a 5 kg block is attached to the free end of the spring, it stretches along the ramp by 15 cm before coming to rest. a) Draw a picture before-and-after picture of the situation b) Draw a FBD for the block c) Write out Newton's Second Law for the block. d) Find the equation for the spring constant. e) Plug in values to calculate the spring constant. (4:112)

A spring is fixed at the top and extends down a frictionless incline of 20°. When a 5 kg block is attached to the free end of the spring, it stretches along the ramp by 15 cm before coming to rest. a) Draw a picture before-and-after picture of the situation b) Draw a FBD for the block c) Write out Newton's Second Law for the block. d) Find the equation for the spring constant. e) Plug in values to calculate the spring constant. (4:112)

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

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

*Problem 4:
A spring is fixed at the top and extends down a frictionless incline of 20°. When a 5 kg block is attached to the
free end of the spring, it stretches along the ramp by 15 cm before coming to rest.
a) Draw a picture before-and-after picture of the situation
b) Draw a FBD for the block
c) Write out Newton's Second Law for the block.
d) Find the equation for the spring constant.
e) Plug in values to calculate the spring constant.
(4:112 )
m.

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