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Question
If the diameter of the pulley is 6 inches, length of pointer is 10 inches and distance travelled by pointer is 5 inches. Calculate the actual growth in length of plant.
Options
1.5 inches
6 inches
12 inches
30 inches
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Solution
1.5 inches
Explanation:
Diameter of pulley = 6 inches
Radius of pulley = 3 inches
Actual growth in length
= `["Distance travelled by the pointer" xx "Radius of the pulley"]/"Length of the pointer"`
`= (5 xx 3)/10` = 1.5
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