A uniform rod of mass 250 g having length 100 cm is balanced on a sharp edge at the 40 cm mark. A mass of 400…

Question

A uniform rod of mass **$$250 \, 	ext{g}$$** having length **$$100 \, 	ext{cm}$$** is balanced on a sharp edge at the **$$40 \, 	ext{cm}$$** mark. A mass of **$$400 \, 	ext{g}$$** is suspended at the **$$10 \, 	ext{cm}$$** mark. To maintain the balance of the rod, the mass to be suspended at the **$$90 \, 	ext{cm}$$** mark is:

Accepted Answer

D. **$$190 \, 	ext{g}$$**

Answer

A. **$$300 \, 	ext{g}$$**

Answer

B. **$$200 \, 	ext{g}$$**

Answer

C. **$$290 \, 	ext{g}$$**

Answer & step-by-step solution

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