An object of mass ‘m‘ is kept on the floor of a lift. What will be the apparent weight of the object when the lift moves with a constant speed ‘v’ downwards?
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Answer:
. Substances which catch fire are called________
(a) acids
(b) bases
(c) combustible
(d) Water
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Explanation:
The sensation of apparent weight comes from the support that you feel from the floor, from a chair, etc. Different sensations of apparent weight can occur on an elevator since it is capable of zero or constant speed (zero acceleration) and can accelerate either upward or downward.
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