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Springs and Hooke’s Law

Springs and Hooke’s Law. Springs can push or pull when stretched or compressed in order for the spring to return to its equilibrium length Hooke’s Law describes the strength of the force of the spring. Hooke’s Law.

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Springs and Hooke’s Law

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  1. Springs and Hooke’s Law • Springs can push or pull when stretched or compressed in order for the spring to return to its equilibrium length • Hooke’s Law describes the strength of the force of the spring

  2. Hooke’s Law • k is called the spring constantit describes how “stiff” the spring is (stiffer spring  higher k) • The negative sign gives the direction of the springs pull/push… it is in the opposite direction of the stretch or compression • If you only need magnitude, drop the negative sign and use F = kx

  3. Example 6-7 A bulldozer stretches a spring with a spring constant of 1300 N/m a distance of 0.45 m in the positive x-direction. Find the magnitude and direction of the force that the spring exerts on both the wall and the bulldozer.

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