Two springs have the same equilibrium length but different spring constants. The

Question

Two springs have the same equilibrium length but different spring constants. They are arranged as shown in the figure, then a block is pushed against them, compressing both by 6 cm.

With what net force do they push back on the block? Answer in Newtons

Two springs have the same equilibrium length but different spring constants. They are arranged as shown in the figure, then a block is pushed against them, compressing both by 6 cm. With what net force do they push back on the block? Answer in Newtons k1 = 12.0 N/cm k2 = 5.4 N/cm

Explanation / Answer

THe net force they push back on the block is

F = (k1 + k2)x

= (12.0N/cm + 5.4N/cm)(6.0cm)

= 104.4N

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