1. A 17.0-N force stretches a wire 0.650 cm. A force of 21.3 N is applied to a similar piece of wire. How far will it stretch?
2. A 12,000-N load is hanging from a steel cable that is 10.0 m long and 16.0 mm in diameter. Find the stress.
3. A rectangular cast-iron column 25.0 m x 25.0 cm x 5.00 m supports a weight of 6.80 x 106 N. Find the stress in pascals on the column.
4. A firefighter weighs 725 N. She wears shoes that cover a total area of 206 cm2. What is the average stress (in kPa) she applies to the ground when standing?
5. The small piston of a hydraulic press has an area of 8.00 cm2. If the applied force is 25.0 N, find the area of the large piston to exert a pressing force of 3600 N.
6. find the absolute pressure of a motorcycle tire with a gauge pressure of 255 kpa
7. find the gauge pressure of a tire which an absolute pressure of 425 kpa
8. a metal displaces of 16.8 m3 of water. find the buoyant force of water
9. How many joules of heat are absorbed by an electric freezer in lowering the temperature of 1850 g1850 g of water from 80.0∘C80.0∘C to 10.0∘C 10.0∘C?
10. A block of copper is heated from 20.0 C to 80.0 C. How much heat is absorbed by the copper if its mass is 45.0 g?
11. V=19.7L, T=51 degrees c, V'=25.2L, find T
12. 8. Some propane occupies 1270 cm3 at 18.0°C. What is the temperature when its volume is 1530cm3?