Abicycle speeds up as it moves along a flat road. what happens to the bicycle’s gravitational potential energy during this time?

1.it decreases.

2.it increases.

3.it remains the same.

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work

In a system, when potential energy decreases, then entropy also decreases. true false

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?