1. A car speeds up. Which claim about the forces acting on the car must be true? a. There are no forces on the car.
b. There is no net force on the car. .
C. There is not enough information,
d. There is a net force on the car.

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy