| A | B |
|---|
| A plastic block of dimensions 2.00 cm x 3.00 cm x 4.00 cm has a mass of 30 g. What is its density? | 1250 kg/m^3 |
| A brick weighs 50.0 N, and measures 30.0 cm x 10.0 cm x 4.00 cm. What is the maximum pressure it can exert on a horizontal surface? | 12,500 Pa |
| A person weighing 900 N is standing on snowshoes. Each snowshoe has area 2500 cm^2. What is the pressure on the snow? | 1800 Pa |
| How much pressure (absolute) must a submarine withstand at a depth of 120.0 m in the ocean? | 1,307,930 Pa |
| What is the gauge pressure at a location 15.0 m below the surface of the sea? | 150,828.75 Pa |
| A 500-N weight sits on the small piston of a hydraulic machine. The small piston has an area 2.0 cm^2. If the large piston has area 40 cm^2, how much weight can the large piston support? | 10,000 N |
| A block of metal weighs 40 N in air and 30 N in water. What is the buoyant force of the water? | 10 N |
| An object has a volume of 4.0 m^3 and weighs 40,000 N. What will its weight be in water? | 760 N |
| Liquid flows through a pipe of diameter 3.0 cm at 2.0 m/s. Find the flow rate. | 1.41 x 10^-3 m^3/s |
| Liquid flows through a 4.0-cm-diameter pipe at 1.0 m/s. There is a 2.0-cm-diameter restriction in the line. What is the velocity in this restriction? | 4.0 m/s |
| Water flows through a 4.0-cm-diameter pipe at 1.0 m/s. There is a 2.0-cm-diameter restriction in the line. What is the pressure difference as the pipe narrows? | 7500 Pa |
| A storage tank, open at the top and filled with water, develops a small hole at the bottom of the tank. If the hole is 3 m below the original water level, determine the speed at which the water leaves the hole. | 7.67 m/s |
