Question

Please answer the 6th and 7th numericals. THANK YOU. <3





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Answer 1

Answer:

Ans 6 is in the attachment

Ans 7 The centre of gravity of a meter scale will be acting at the mid point (50 cm) of the scale.

For the balance, the moment of forces on both sides of knife edge will be equal.

So, mg × (55 - 50) = 12.5 g × (100 - 55)

=> 5m = 562.5

=> mass = 112.5 gram

HOPE IT HELPS......

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