Question

A 20.0 kg curling stone travels 30.0 m along the ice surface. If the frictional force is 10.0 N, the thermal energy produced is

Answer 1

The thermal energy is where the work of friction comes from.  That is what stops it eventually.  In this case a counter force of 10N is applied over the distance of 30.0m.  The energy is given by Force*Distance.  Here this is 300J.  This friction work is the thermal energy.

Answer 2

thermal energy is 300 J

Step-by-step explanation:

Thermal energy produced while moving on the rough floor is same as the work done by friction force

because friction force is a non conservative force which will produce thermal energy in the form of energy loss

so here this thermal energy is given by

`E = W_f`

`E = F_f . d`

here we have

`F_f = 10 N`

`d = 30 m`

so the work done is given by

`E = 10(30) = 300 J`

So the thermal energy is 300 J