A reference frame attached to the earth...

A reference frame attached to the earth

is an inertial frame by definition.

cannot be an inertial frame because the earth is revolving round the sun.

is an inertial frame because Newton's laws are applicable in this frame.

cannot be an inertial frame because the earth is rotating about its own axis.

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The correct Answer is:

B, D

Since earth is an accelerated frame and hence, cannot be an inertial frame.

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Assertion :- A particle on earth found to be at rest when seen from a frame U_(1) and moving with a constant velocity when seen from another frame U_(2) . Then both frames may be non - inertial. Reason :- A reference frame attached to the earth must be an inertial frame.

A refrence frame attached to the earth

A bar magnet is kept along the axis of a conducting loop. When the magnet is moved along the axis, a current is seen in the loop. Which force is responsible for driving electrons in the loop if the observer is in (a) Reference frame attached to the loop. (b) Reference frame attached to the magnet.

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A block of mass m can slide along a frictionless inclined plane, is attached to a ideal spring of spring constant as shown in the figure. Find the period of its oscillation. (Frame of reference attached to the wedge is at rest)

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