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11 Nov 2019

<p>When a certain spring is expanded 12 centimeters from its natural position and held fixed, the force necessary to hold it is 2400 dynes. Find the work W required to stretch the spring an additional 12 centimeters.</p>

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Bunny Greenfelder
Bunny GreenfelderLv2
6 Jul 2019

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Related questions

2. A force of 20 lb is required to hold a spring stretched 8 in. beyond its natural length. How much work W is done in stretching it from its natural length to 11 in. beyond its natural length?

3. A spring has a natural length of 28 cm. If a 23-N force is required to keep it stretched to a length of 42 cm, how much work W is required to stretch it from 28 cm to 35 cm?

4. If the work required to stretch a spring 3 ft beyond its natural length is 12 ft-lb, how much work is needed to stretch it 18 in. beyond its natural length?

Hooke's Law

In Exercises 9-14, use Hooke’s Law to determine the work done by the variable force in the spring problem.

Eighteen foot-pounds of work is required to stretch a spring 4 inches from its natural length. Find the work required to stretch the spring an additional 3 inches.

Hooke's Law

In Exercises 9-14, use Hooke’s Law to determine the work done by the variable force in the spring problem.

Six joules of work is required to stretch a spring 0.5 meter from its natural length. Find the work required to stretch the spring an additional 0.25 meter.

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