b )Energy in compressed spring
(c) Instrument used to measure weight
(d) Motion of the body when it covers unequal distance in equal
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b) elastic potential energy
Hooke's Law
If an outside force (Fapplied) does work on the spring to stretch or compress it then the spring will gain energy. This type of energy the spring gains is called elastic potential energy.
c) A scale or balance is a device to measure
weight or mass. These are also known as mass scales, weight scales, mass balances, and weight balances.
d) Motion of the body when it covers unequal distance in equal is called as non- uniform motion
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