WILL GIVE 40 PTS AND BRAINLIEST IF ANSWERED ASAP AND CORRECTLY!!! When a glass falls and breaks on the floor, potential energy is transformed into sound energy, energy, and energy.
A. heat; kinetic
B. heat; potential
C. kinetic; potential
A force that resists two objects rubbing together is called .
A. heat
B. friction
C. kinetic energy
D. potential energy
What happens to energy “lost” during an energy transformation?
A. It turns into heat energy.
B. It turns into kinetic energy.
C. It turns into potential energy.
D. It turns into kinetic energy and potential energy.

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
When a bicycle coasts uphill, it moves slower and slower as it climbs. Why?
A. Its kinetic energy is transforming into heat energy.
B. Its potential energy is transforming into kinetic energy.
C. Its kinetic energy is transforming into potential energy and heat energy.
D. Its potential energy is transforming into kinetic energy and heat energy.
A bicycle coasting downhill reaches its maximum speed at the bottom of the hill.
This speed would be even greater if some of the bike's energy had not been transformed into energy.

A. kinetic; heat
B. heat; potential
C. kinetic; potential
D. potential; kinetic
On an upward swing of a pendulum bob, some energy is transformed into some energy.
A. heat; kinetic
B. heat; potential
C. potential; kinetic
D. kinetic; potential
One form of energy can be another type of energy.
A. created to form
B. transformed into
C. destroyed and then created to form
can be reduced but it cannot be eliminated.
A. Heat
B. Force
C. Energy
D. Friction
Electrical energy is used to spin the blades of a ceiling fan. If the electricity is cut off, the fan blades will slow down and eventually stop spinning. Why?
A. All the kinetic energy of the fan blades has been transformed into potential energy.
B. All the potential energy of the fan blades has been transformed into kinetic energy.
C. All the kinetic energy of the fan blades has been transformed into heat energy.
D. All the potential energy of the fan blades has been transformed into heat energy.