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Misha Larkins [42]
3 years ago
8

If there are two weights on the scale, one 1.5m from the fulcrum weighing 1.7 kg, and the second 1.2m from the fulcrum, what mus

t the second weight weigh in order to balance the scale? a. .9 kg c. 2.1 kg b. 1.7 kg d. 2.4 kg
Biology
1 answer:
kykrilka [37]3 years ago
3 0

The fulcrum is the point in any mechanical device where the moment due to weights is zero.

(Weight 1 x distance 1) - (weight 2 x distance 2) = 0

(1.7 Kg x 1.5 m ) - (weight 2 x 1.2 m) = 0

weight 2 = (1.7 Kg x 1.5 m ) / 1.2 m

= 2.1 Kg





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