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The airline passenger in above figure (b...

The airline passenger in above figure (b) exerts a 80 N force on his suitcase pulling at an angle `60^(@)` with the horizontal. What work he does on suitcase while pulling it 50 m on the floor ?

Text Solution

Verified by Experts

` W = (80 N) (50 m) cos 60^(@)`
= `2000 J = 2 KJ`
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MOTION-WORK, POWER & ENERGY -EXAMPLES
  1. The airline passenger in above figure (b) exerts a 80 N force on his s...

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  2. A particle is moving along a straight line from point A to point B. Th...

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  3. A force vecF=xhati+y^(2)hatjN acts on a particle and the particle move...

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  4. A 5 kg block moves in a straight line on a horizontal frictionless sur...

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  5. A 60 gm tennis ball thrown vertically up at 24 m/s rises to a maximum ...

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  6. A force of (3hati-1.5hatj)N acts on 5kg body. The body is at a positio...

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  7. A block of mass m = 4 kg is dragged 2 m along a horizontal surface by...

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  8. A block of mass m = 4 kg is dragged 2 m along a horizontal surface by...

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  9. An ideal spring with spring constant k is hung from the ceiling and a ...

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  10. A sping of spring constant k is attached to the ceiling. A block of ma...

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  11. Figure shows a spring fixed at the bottom end of an incline of inclina...

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  12. A collar B of mass 2kg is constrained to move along a horizontal smoot...

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  13. A particle moves in x-y plane from (0,0) to (a,a) and is acted upon by...

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  14. A particle moves in x-y plane from (0,0) to (a,a) and is acted upon by...

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  15. A uniform rod of mass M and length L is held vertically upright on a h...

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  16. A unifrom chain of mass M and length L lies on a table with nth part o...

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  17. Two block with masses m(1) = 3kg and m(2) = 5 kg are connected by a li...

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  18. A chain of length l = 80 cm and mass m = 2 kg is hanging from the end ...

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  19. The potential energy of a conservative force field is given by U=ax^...

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  20. Figure shows a an incline which ends into a circular track of radius R...

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