17. Periodic Motion
Spring Force (Hooke's Law)
17. Periodic Motion
Spring Force (Hooke's Law)
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A 1.0 m-long spring is laid horizontally with one of its ends fixed. When you pull on it with 50 N, it stretches to 1.2 m. (a) What is the spring's force constant? (b) How much force is needed to compress it to 0.7 m?
2692views60rank - Scelta multipla
You push a 3-kg mass against a spring and release it from rest. Its maximum acceleration is 10m/s2 when pushed back 0.5m. What is the (a) spring constant and the (b) restoring force at this point?
2564views47rank3comments - Scelta multiplaA20.0 cmmassless spring with spring constant340 N/mis suspended from the ceiling. A student carefully hangs a450 gmass from the free end. How long is the spring now?2068views
- Scelta multiplaA spring with a spring constant of is attached to a rubber block with mass 3.0 kg. The block is resting on a concrete surface (). The spring is pulled to the side until the block begins to slip. What is the maximum extension of the spring before the block slips?1703views