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Consider the body of mass 0.2 kg and a s...

Consider the body of mass 0.2 kg and a smooth incline of hight 3.2 m and length 10 m. Select the correct alternative

A

Minimum work required to lift the block from the ground and put it at the top is 6.4 J

B

Work required to slide the body up the incline (slowly) is 6.4 J

C

Maximum speed of the body slipping down from rest on the plane, on reaching the ground is 8 m/s

D

Work required to slide the body down the plane is more than 6.4 J

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A, B, C
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AAKASH INSTITUTE-WORK, ENERGY AND POWER-SECTION-C (OBJECTIVE TYPE QUESTIONS) (MORE THAN ONE OPTIONS ARE CORRECT)
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  3. A body is acted upon by a force. If work done by the force is zero, th...

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  4. A,B and C are three persons who can row their boats with speeds 10 m/s...

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  5. A body is moving on a circlar path of radius r with constant speed und...

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  6. Potential energy U(r ) varies with position r as shown in figure ...

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  7. Figure shows a plot of the potential energy as a function of x for a p...

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  8. A 5 kg body is fired vertically up with a speed of 200 m/s. Just befor...

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  9. Which of the following statements are incorrect?

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  10. The kinetic energy of a particle continuously icreses with time

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  11. A block of mass 10 kg is hanging over a smooth and light pulley throug...

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  12. The work done by the force of gravity is 100 J

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  13. In the figure show m=1kg, M = 2 kg. When smaller block (m) descends t...

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  14. A light rigid rod of length l is hinged at one end and it is free to ...

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  15. Potential energy of a system of particles is U(alpha)/(3r^(3))-(beta)/...

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  16. A block hangs freely from the end of a spring. A boy then slowly pushe...

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