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An Ideal Spring, with a Pointer Attached to Its End

Question 56

Multiple Choice

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 200-N weight instead results in "60" on the scale.Using an unknown weight X instead results in "30" on the scale.The weight of X is: 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 200-N weight instead results in 60 on the scale.Using an unknown weight X instead results in 30 on the scale.The weight of X is: A) 20 N B) 30 N C) 40 N D) 50 N E) 75 N


A) 20 N
B) 30 N
C) 40 N
D) 50 N
E) 75 N

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