A uniform beam of length L whose mass ‘m’ is 1.8 kg rests with its ends on two digital…
Physics · JEE Advanced · NTA Exams — Rotational Motion
A uniform beam of length L whose mass ‘m’ is 1.8 kg rests with its ends on two digital scales, as in figure. A uniform block whose mass M is 2.7 kg rests on the beam, its centre is at a distance L/4 from the beam’s left end. What do the scales read?
- 29 N on right scale and 15 N on left scale
- 15 N on right scale and 29 N on left scale
- 10 N on right scale and 20 N on left scale
- 2.25 N on right scale and 7 N on left scale
Answer
(B) 15 N on right scale and 29 N on left scale
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