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Work Force Distance

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**1. **Work = Force * Distance Work = 5 * 6 = 30 Foot Pounds

**2. **Work = Force * Distance

**3. **Work = Force * Distance

**4. **Work = Force * Distance

**5. **A spring of natural length

**6. **If it takes 3 # to hold the spring two feet beyond its natural length F(x) = kx
F(2) = k2 = 3
K = 3/2 thus F(x) = 3/2 x

**7. **How much work was done in pulling that spring to two feet beyond its natural length? Work is the area of the green region.

**8. **How much work was done in pulling that spring two additional feet? Work is the area of the green area.