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Tension, Springs, and Restoring Forces
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Grade Level
Physics
12.38 Tension, Springs, and Restoring Forces
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In a horizontal spring-mass system, the coordinate x is positive to the right. If the block is at x = -0.06 m, which force direction follows from F = -kx?
A
The spring force is negative, so it points to the left.
B
The spring force is positive, so it points to the right.
C
The spring force is zero because x is negative.
D
The spring force points downward because negative positions mean compression.
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