ఒక యంత్రం లోడ్ 'L'ని అధిగమించి, లోడ్ ప్రయాణించే దూరం 'Ld' అయితే, లోడ్ ద్వారా చేసే పని __________ అవుతుంది.

This question was previously asked in
RRB ALP Fitter 23 Jan 2019 Official Paper (Shift 3)
View all RRB ALP Papers >
  1. L × Ld

Answer (Detailed Solution Below)

Option 1 : L × Ld
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Detailed Solution

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భావన:

చేసిన పని:

  • చలనం యొక్క ఇచ్చిన దిశలో ఒక వస్తువుపై చేసిన పని కోణం యొక్క కొసైన్ యొక్క స్థానభ్రంశం సమయాల బలానికి సమానం.
  • సూత్రం, పని పూర్తయింది, W = Fscosθ, ఇక్కడ F = శక్తి, s = స్థానభ్రంశం, θ = స్థానభ్రంశం మరియు శక్తి మధ్య కోణం.
  • చేసిన పని యొక్క SI యూనిట్ జౌల్ (J).

గణన:

ఒక యంత్రం లోడ్ 'L'ని అధిగమించి, ఆ లోడ్ ప్రయాణించే దూరం L d అయితే,

చేసిన పని, W = Fscosθ

ఇక్కడ, θ = 0º, cos0º = 1

కాబట్టి, చేసిన పని W = Fs 

W = L ×L d

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