You hook a fish to a spring scale to weigh the fish but when you raise...
You hook a fish to a spring scale to weigh the fish but when you raise it up to see the gauge better, the spring scale slips out of your hand. What is the reading of the scale on its way down to the floor if the spring still has the fish hooked to it: Explain.
Homework Answers
Concept – when the spring scale slips out and falls the whole system is in free fall under gravity. Hence the acceleration of the fish and the scale would be equal to acceleration due to gravity. We use this for equation of motion for the fish to find the force exerted on the fish by the scale as shown below to find the reading.
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You hook a fish to a spring scale to weigh the fish but when you
raise...
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asking for question 2 and part c of 1
Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to report the mass truthfully). (a) What is the force constant of the spring in such a scale if it stretches 6.49 cm for a 11.3 kg load? 1706.317 N/m (b) What is the mass of a fish that stretches the spring 5.50 cm? 9.58 kg (c) How far apart are the half-kilogram marks on...
E. Suppose you are standing on the scale in the elevator and the
elevator is accelerating downward with
an acceleration smaller than 9.8 m/s2
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ii. How must the magnitude of the force exerted by the scale on
you compare with your own
weight?
iii. How must the reading on the scale compare with the reading
you make when the elevator...
show full working out
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