1)A 20.0 cm wrench is used to generate torque at a bolt. A force of 50 N is applied at the end of the wrench at an angle of 60.0 degrees to the wrench. The torque generated at the bolt is

2)Jim and Mary are carrying Bob on a horizontal stretcher. The uniform stretcher is 2.00 m long and weighs 80 N. Bob weighs 600 N. Bob's center of gravity is 80 cm from Mary. Jim and Mary are at the ends of the stretcher. The upward force that Mary is exerting to support the stretcher, with Bob on it, is

3)A 10 kg object has a moment of inertia of 1.25 kg m². If a torque of 2.5 Nm is applied to the object, the angular acceleration is

4)An 8.0 kg object has a moment of inertia of 1.00 kg m². What torque is needed to give the object an angular acceleration of 1.5 rad/s²?

5)A 20.0 kg hollow cylinder (I = MR²) has a diameter of 50.0 cm. The cylinder is rolling down a hill with a velocity of 5.00 m/s. The rotational kinetic energy of the rolling cylinder is

6)A 2.00 kg solid sphere (I = 2/5 MR²) with a diameter of 50.0 cm is rotating at an angular velocity of 5.0 rad/s. The angular momentum of the rotating sphere is

7)A grinding wheel has a mass of 250 kg and a moment of inertia of 500 kg m². A torque of 100 Nm is applied to the grinding wheel. If the wheel starts from rest, what is the angular momentum of the wheel after 5.0 seconds?

8)A force of 120.0 N is applied to a 2.000 cm diameter piston, which is in contact with a closed container of water (density of water = 1,000 kg/m³). A second piston, with a diameter of 25.00 cm and at the same height as the first piston, is also in contact with the water. What force does the water pressure exert on the second piston?

9)The car lift in a gas station operates with an air pressure of 2,000 kPa. The piston of the car lift has a diameter of 30.0 cm. What is the mass of the largest car that the lift can raise?

10)Water is flowing through a pipe with a constriction. The diameter of the narrow section is one-third the diameter of the wide section. If the velocity of the incompressible fluid is 3.6 m/s in the narrow section, then what is the velocity of the fluid in the wide section?

11)Air with a density of 1.20 kg/m³ flows through a 10.0 cm diameter pipe with a velocity of 1.20 m/s. What is the mass flow rate?

12)A 2525 kg truck can be held up by a piston of radius 15 cm through a hydraulic lift by a force of 175 N on a piston of what radius?

13)A small hole is cut in the bottom of a water storage tank. The depth of the water is 8.00 m. If the diameter of the small hole in the bottom of the tank is 1.00 cm, then what is the flow rate of the water leaving the tank?