1. Suppose that a block is pulled 16 meters across a floor. What amount of work is done if the force used to drag the block is 22 N? A) 330 J
B) 220 J
C) 352 J
D) 200 J

2. A moving company is called into a building and asked to relocate 520 bricks to a location 15 meters above the ground. If each brick is 4 kilograms, what amount of work will be needed to accomplish the task?
A) 203,840 J
B) 229,320 J
C) 588,000 J
D) 305,760 J

3. If a total force exerted by water in a container with a bottom area of 2 square meters is 450 newtons, what's the water pressure at the bottom of the container?
A) 0.575 kPa
B) 0.300 kPa
C) 0.225 kPa
D) 0.900 kPa

4. Under normal conditions of temperature and pressure, the gaseous state of a liquid is called .
A) water
B) ice
C) smoke
D) vapor

5. Which of the following is not a requirement of a practical fuel?
A) It must occur in abundance in nature or be easy to produce.
B) It must be made up of elements that combine easily with oxygen.
C) It must contain a large amount of stored energy.
D) It must be in the solid state to be used.

6. In a practical machine, the power output is less than the power input. Considering the law of energy conservation, what can explain this occurrence?
A) Some of the energy coming out of the machine is being destroyed.
B) Some of the energy is used to combat friction and thus is transformed from mechanical energy to heat.
C) Some of the energy going into the machine is being destroyed.
D) Some of the energy going into the machine is being created at a quicker rate than the energy coming out is being destroyed.

7. Which of the following statements most accurately differentiates potential and kinetic energy?
A) Any object that has motion has potential energy, while any object not in motion but with the potential to do work has kinetic energy.
B) Kinetic energy is a form of mechanical energy, while gravitational potential energy isn't.
C) Gravitational potential energy is a form of mechanical energy, while kinetic energy isn't.
D) Any object that has motion has kinetic energy, while any object not in motion but with the potential to do work has potential energy.

8. Which of the following accurately describes the behavior of water when subjected to temperature change?
A) A mass of water will expand if heated from 0°C to 2°C.
B) The volume of water will increase if cooled from 3°C to 2°C.
C) A mass of water will contract if cooled from 1°C to 0°C.
D) The volume of water will decrease if heated from 6°C to 7°C.

9. A temperature of 273 K is the temperature at which water
A) evaporates.
B) freezes.
C) boils.
D) is at its densest.

10. A 6.7 kg object moves with a velocity of 8 m/s. What's its kinetic energy?
A) 26.8 J
B) 214.4 J
C) 167.5 J
D) 53.6 J