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A frame of reference attached to Earth : |
is an inertial frame as Newton's laws are valid. is an inertial frame as the earth rotates about its own axis. is a non-inertial frame due to the molten core of earth. is a non-inertial frame because earth revolves around the sun. |
is a non-inertial frame because earth revolves around the sun. |
As the earth exhibits circular motion around the sun, it is an accelerated motion. Thus, earth is an accelerated frame of reference and hence, a non-inertial frame. |
