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Name the type of energy (kinetic or potential) possessed by the following:
A stone at rest on the top of a building.
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A bullet fired from a gun.
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MULTIPLE CHOICE TYPE:
The ultimate source of energy is:
(a) wood
(b) wind
(c) water
(d) sun
The following are some of the energy transformations.
A. Electrical to light
B. Work to heat
C. Chemical to light
D. Electrical to sound
E. Mechanical to electrical
Identify the energy transformation that takes place in the following by inserting the corresponding letter in the shape provided.
(i) A candle flame
(ii) A torch is lighted
(iii) A microphone is used in a meeting
(iv) A cycle dynamo
(v) A piece of metal is being filed
Write five forms of energy.
State the energy changes which take place when:
A body thrown vertically upwards from the ground.
Show that in case of a body falling freely under gravity, total mechanical energy remains conserved (neglect air resistance).
