A box of mass m= 6 kg is suspended by two identical inextensible cables of negligible masses. The tension T in each cable is: (g = 10m/s²) A. 20 N В. 0.3 N C. 0.15 N D. 30 N T Е. 15 N m

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Chapter7: Energy Of A System
Section: Chapter Questions
Problem 7.20P: A light spring with spring constant 1 200 N/m is hung from an elevated support. From its lower end...
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Q6: *
A box of mass m = 6 kg is suspended by two identical inextensible cables of negligible
masses. The tension T in each cable is:
(g = 10m/s²)
A. 20 N
В. 0.3 N
C. 0.15 N
D. 30 N
Е. 15 N
T
T
m
Transcribed Image Text:Q6: * A box of mass m = 6 kg is suspended by two identical inextensible cables of negligible masses. The tension T in each cable is: (g = 10m/s²) A. 20 N В. 0.3 N C. 0.15 N D. 30 N Е. 15 N T T m
Q7: *
When a mass m = 2kg is attached to the end of a relaxed vertical spring of spring constant k =
200 N/m, the length of this spring increases by a distance x as shown in the figure below.
(g = 10m/s²)
This increase in length , x, is equal to:
A. 0.1 m
В. 0.25 m
C. 0.5 m
D. 1 m
Е. 1.25 m
m
Transcribed Image Text:Q7: * When a mass m = 2kg is attached to the end of a relaxed vertical spring of spring constant k = 200 N/m, the length of this spring increases by a distance x as shown in the figure below. (g = 10m/s²) This increase in length , x, is equal to: A. 0.1 m В. 0.25 m C. 0.5 m D. 1 m Е. 1.25 m m
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