Answer:
Step-by-step explanation:
The football has gravitational potential energy because of its position above the ground. ---- TRUE
Gravitational potential energy comes from the energy spent in lifting a body to a height against the gravitational pull by the earth.
It also has kinetic energy because it is moving. -------TRUE
Kinetic energy comes from the state of motion of an object .
The combined energy is called mechanical energy ----------- TRUE
Gravitational potential energy is the position it starts and the kinetic is the actual throwing of the ball. ---------------- FALSE
If a pendulum is allowed to continue to swing, it will eventually stop.
----------------------- FALSE
pendulum will stop only when some drag force is present in air , otherwise, it will continue to swing for infinite period of time.