MEDIUM
JEE Main
IMPORTANT
Earn 100

A reference frame attached to the Earth
(a)is an inertial frame by definition.
(b)cannot be an inertial frame because the Earth is revolving around the Sun.
(c)is an inertial frame because Newton's laws are applicable in this frame.
(d)cannot be an inertial frame because the Earth is rotating about its axis.

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Important Questions on Newton's Laws of Motion
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The figure shows the displacement of a particle going along the -axis as a function of time. The force acting on the particle is zero in the region

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IMPORTANT
The following figure shows, a heavy block kept on a frictionless surface and being pulled by two ropes of equal mass . At , the force on the left rope is withdrawn but the force on the right rope continues to act. Let and be the magnitudes of the forces by the right rope and the left rope on the block, respectively.

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IMPORTANT

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