NDA Government Jobs Exams

A particle is moving freely. Then its -
(a) kinetic energy is always greater than zero
(b) potential energy is greater than zero and kinetic energy is less than zero
(c) potential energy is less than zero and kinetic energy is greater than zero
(d) potential energy is zero and kinetic energy is less than zero

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NDA Other Question
The president of India is elected by proportional representative sysem by a single transferable vote. This
implies that -
(a) elected MPs and MLAs of states have different number of votes
(b) all MPs and MLAs of states have one vote each
(c) all MPs and MLAs of states have equal number of votes
(d) MPs of the Lok Sabha have equal number of votes Gravitational force shares a common feature with electromagnetic force. In both cases, the force is -
(a) between massive and natural objects
(b) between charged objects
(c) a short range
(d) a long range