14. It is equal to the work done or energy expended in applying force of one newton through a distance of one member.
A. Joule B.Newtom C.Meter D. Speed

15.this is determined by the amount of work done or energy expended and the time taken to do the work.
A.Force B.Power bank C.Power output D.work

16.work is done when force applied to the object causes the object to have a____in the same direction as the force applied.
A.displacement B.distance C.force D.work

17.if 1.0 kg book is lifted to 0.5 m above the table.but the table top is 1.0 m above the floor,what would be the potential energy of the book if the reference level were the the floor?
A. 14.7 J B. 15.7 J C. 16.7 J D. 18.8 J

18. find the power exerted by pauleen given the data: weight+490 N:Height=5m', and time=8 s.
A. 220J/s B. 306J/s C. 340J/s D. 489J/s

19. find the energy expended of liam Christian given the following data weight=44I N',Height=5m', and time=5 s.
A. 2205 J B.2305 J C.2405 J D. 3098 J

20. the following situation Shows work except
A. A girl pulling a cart
B. A girl carrying a bag walking down the street
C. A mango fruit falling from a branch
D. A man lifting a box to be placed on a table

21. it is an energy that is stored in the bonds between atoms and molecules and is found in plants (photosynthesis).
A. chemical potential
B. elastic potential
C. gravitational potential
D. gravity

22. the energy of a moving object.
A. chemical energy
B. kinetic energy
C. mechanical energy
D. potential energy

23. what do you call the energy due to it's position and it depends on the mass and height of the object?
A. chemical potential energy
B. gravitational potential energy
C. kinetic energy
D. mechanical potential energy

24. the KE of an object depends on the mass and velocity.What will happen to the KE of an object if its mass is doubled but the velocity remains the same?
A. KE is constant
B. KE will be doubled
C. KE will be tripled
D. KE will be quadrupled

25. it depends on how much the elastic object is stretched or compressed and the elasticity of the material.
A. Elastic potential energy
B. gravitational potential energy
C. kinetic energy
D. potential energy

26. find the heat capacity of a certain material given the following data: Mass=1kg', Heat given+ 2000J'.and temperature rise =1 0 C.
A. 2c/j J kg-1 0 c. 1
B. 200c/j kg-1 0 c-1
C. 2000c/j kg-1 0 c-1
D. 20000c/jkg-10c-1

27. while at the beach the heat from the sun feels hot in your skin.causing a sunburn.What method of heat transfer is involved?
A. action B. conduction C.convection D.radiation

28.what happen to the heat energy that was continuously transferred to the water ?The energy absorbed by the water is used to.
A. supply the attractive forces between and among its member
B. supply the attractive forces between them.and not to increase the speed of the particles.
C. overcome the attractive forces
D. overcome the attractive forces between them. and not to increase the speed of the particle

29. for a constant load (one buod), what will happen to the current if the voltage increases?
A. decrease B. increase C. nothing happen D. partially increase

30. A scottish inventor and mechanical engineer know for his improvement on stean engine technology and whom the unit watt is named.
A. James watt
B. Jerry watt
C. Justin watt
D. Philip watt
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