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A reference frame attached to the earth...

A reference frame attached to the earth

A

is an inertial frame by definition

B

Cannot be a inertial frame because the earth is revolving round the sun.

C

is an inertial frame because Newton's laws are applicable

D

is an inertial frame because the earth is rotating about its own axis.

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The correct Answer is:
B
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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.

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CP SINGH-NEWTONS LAWS OF MOTION-EXERCISES
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  2. The pulleys and strings shown in the figure are smooth and of negligib...

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  3. A simple pendulum with a bob of mass m is suspended from the roof of a...

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  4. If a body is in equilibrium under a set of non-collinear forces, then ...

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  5. The acceleration of light pulley is

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  6. Consider the situation as shown in the firgure.

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  7. The acceleration of the block A is

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  8. The acceleration of the block A and B are

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  9. The acceleration of the block A and B are

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  10. The acceleration of m is

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  11. In the arrangement shown in the Fig, the ends P and Q of an unstretcha...

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  12. In the figure, the blocks are of equal mass. The pulley is fixed. In t...

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  13. A spring fo spring constant k is broken in the length ratio 1:3. The s...

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  14. A block of mass 10 kg is suspended through two light spring balances a...

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  15. In the arrangement shown, the pulleys are fixed and ideal, the strings...

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  16. Two blocks A and B of masses 2m and respectively, are connected by a ...

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  17. The masses of 10 kg and 20 kg, respectively, are connected by a light ...

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  18. For ordinary terrestrial experimants, the observer is an inertial fram...

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  19. A reference frame attached to the earth

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  20. A balloon with mass m is descending down with an acceleration a (where...

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