Question

Which form of energy is involved in weighing fruit on a spring scale?

Answer 1

Answer:

d. gravitational potential energy and elastic potential energy

Explanation:

when fruits are weighed on the weighing scale using spring balance then the spring is stretched due to weight of the fruits

So here if the spring comes to rest just by stretching the spring by some amount of "x"

So here in that case we can say that the object will go down by same amount that is the amount of spring stretch

Now the gravitational potential energy of the spring will decrease as the height decreases and the same amount of spring potential energy will increase in that case.

So here we can say

$mgx = \frac{1}{2}kx^2$

loss in the gravitational potential energy = gain in the spring potential energy

Answer 2

There are two types of energies that are taking place in the fruit is weighed in a spring scale. These are the gravitational potential energy and the elastic potential energy. The gravitational potential energy could be primarily attributed to the elevation of the fruit with respect to the ground.