Question 1
             Kinetic and potential energies are the two types of mechanical energy.
             True
            
             Question 2
             Energy is defined as the ability to do work
             True
            
             Question 3
             In science, work and mechanical energy have different units.
             False
            
             Question 4
             Work is defined as the product of the force and the distance moved by the force in the direction of the force.
             True
            
             Question 5
             The potential energy of a body depends of its velocity.
             False
            
             Question 6
             A body can never have both kinetic and potential energies
             False
            
             Question 7
             A foot-pound (ft.lb) is also a unit of work.
             True
            
             Question 8
             The total mechanical energy of a pendulum bob swinging freely without friction changes with time.
             False
            
             Question 9
             Temperature is a physical quantity that scientists use to measure the degree of coldness or hotness of a body on a given scale.
             True
            
             Question 10
             On the Fahrenheit scale, the boiling point of water is 100 oF.
             False
            
             Question 11
             On the Celsius scale, 32 oC is the freezing point of water or the melting point of ice.
             False
             Question 12
             On the Absolute scale, 273 K is equivalent to 0o C.
             True
            
             Question 13
             When a body is supplied with heat, its temperature always goes up.
             True
            
             Question 14
             According to the mechanical equivalent of heat, 1 joule = 4.18 calorie.
             False
            
             Question 15
             A heat engine is a device that allows heat to be converted into mechanical work.
             True
            
             Question 16
             The second law of thermodynamics states that in a natural process, a substance goes from state of lower disorder to a state of higher disorder i.e. the entropy always increases or at least remains the same in a natural process.
             True
            
             Question 17
             According to the first law of thermodynamics, the change in the heat of a system equals the change in its internal energy and the work; i.e. Q = U + W.
             True
            
             Question 18
             Unlike charges repel and like charges attract each other.
             False
            
             Question 19
             According Coulomb law, the force between two point charges is inversely proportional to the squar...