जर यंत्राने 'L' भार उचलला आणि भाराद्वारे प्रवास केलेले अंतर ' Ld' असेल, तर भाराद्वारे झालेले कार्य __________ असेल.

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RRB ALP Fitter 23 Jan 2019 Official Paper (Shift 3)
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  1. L x Ld
  2. \(\rm \frac{L}{Ld}\)
  3. \(\rm \frac{Ld}{L}\)
  4. \(\rm \frac{1}{L \times Ld}\)

Answer (Detailed Solution Below)

Option 1 : L x Ld
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=संकल्पना:

झालेले कार्य:

  • गतीच्या दिलेल्या दिशेने वस्तूवर केलेले कार्य कोनाच्या कोसाइनच्या विस्थापन गुणा बलाच्या बरोबरीचे असते.
  • सूत्र, कार्य केले, W = Fscosθ, जेथे F = बल, s = विस्थापन, θ = विस्थापन आणि बल यांच्यातील कोन.
  • केलेल्या कामाचे SI एकक जौल (J) आहे.

गणना:

जर मशीनने लोड 'L' वर मात केली आणि लोडने प्रवास केलेले अंतर Ld असेल,

झालेले कार्य, W = Fscosθ

येथे, θ = 0º, cos0º = 1

तर, झालेले कार्य W = Fs

W = L x Ld

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