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34. The relationship between force and position isshown in the figure given in one dimension acase). The work done by the force is displacinga body from x=1 cm to x=5 cm is- 204107Force (dyne)o12346-10!5 6x (cm).-20.1 20 ergs3) 70 ergs2) 60 ergs4) 700 ergs |
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Answer» work done in force vs displacement graph is area under the graph so from x=1 to x=2 area is 10×1=10 from x=2 to x=3 area is 20×1=20 from x=3 to x=4 area is -20×1=-20 from x=4 to x=5 area is 10×1=10 total=10+20-20+10=20erg Correct answer is 20 erg as 10+20-20+10 is 20 hope this will help you 1]20 ergs....................... |
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