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In Newton's second vecF=mveca (for const...

In Newton's second `vecF=mveca` (for constant mass m), `veca` is the acceleration of the mass m with respect to

A

any observer

B

any inertial observer

C

an observer at rest only

D

an observer moving with uniform speed only

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The correct Answer is:
C
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ALLEN -NEWTONS LAWS OF MOTION-EXERCISE-I
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  2. Three solids of masses m(1),m(2) and m(3) are connected with weightles...

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  3. Two blocks of masses M(1)=4 kg and M(2)=6kg are connected by a string ...

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  4. Three masses M(1), M(2) and M(3) are lying on a frictionless table. Th...

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  5. In Newton's second vecF=mveca (for constant mass m), veca is the accel...

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  6. A man of mass 90kg is standing in an elevator whose cable broke sudden...

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  7. A force vecF=(6hati-8hatj+10hatk)N produces acceleration of 1 ms^(-2) ...

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  8. Two bodies A and B of masses 10kg and 15kg respectively kept on a smoo...

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  9. Ten one-rupee coins are put on top of each other on a table, Each coin...

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  10. A block of mass m is in contact with the cart C as shown in The coeffi...

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  11. A gramphone record is revolving with an angular velocity omega. A coin...

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  12. A man, of mass 60kg, is riding in a lift. The weights of the man, when...

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  13. A person of mass 940 kg and presses the button on control panel. Then ...

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  14. A body mass M hits normally a rigid wall with velocity v and bounces b...

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  15. Three blocks of masses m, 3m and 5m are connected by massless strings ...

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  16. A particle of mass m rests on a horizontal floor with which it has a c...

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  17. A car of mass 1000kg negotiates a banked curve of radius 90m on a fict...

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  18. In the figure given, the system is in equilibrium. What is the maximum...

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  19. Four blocks of the same mass m connected by cords are pulled by a forc...

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  20. A 140g ball, in horizontal flight with a speed v(1) of 39.0 m/s. is st...

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