In building a house, carpenters use nails from a large box. The box is suspended from a spring twice during the day to measure the usage of nails. At the beginning of the day, the spring stretches 50 cm. At the end of the day, the spring stretches 30 cm. What percentage of the nails have been used?
Two identical springs, each with the spring constant 20 N/m, support a 15.0 N weight, as shown.
What is the tension in spring ?
What is the amount of stretch of spring from the rest position?
An object of mass 332 g is suspended from a vertically hanging spring, causing the spring to extend by 4.89 cm. What extension of the spring would be produced by suspending an object with a mass of 505 g from it?