Answered

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A spring has a spring constant k = 20N/cm. What load is needed to produce an extension of 2.5cm?

Sagot :

Answer:

50 N

Explanation:

We are given;

Spring constant; K = 20N/cm

Extension; Δx = 2.5 cm

We want to find the load which is the force. This is gotten from the equation;

F = k•Δx

F = 20 × 2.5

F = 50 N

Therefore the load needed is 50 N.

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