Semester Exam Dec 2024

Front

What forces act on an object at rest on a flat surface?

Back

Gravitational force and normal force.

Front

What happens to potential energy and kinetic energy as a roller coaster descends?

Back

Potential energy decreases, and kinetic energy increases.

Front

What season is the northern hemisphere experiencing when it is tilted away from the sun?

Back

Fall.

Front

What is the equation that relates speed, distance, and time?

Back

Speed = Distance / Time.

Front

How many oxygen atoms are produced in photosynthesis?

Back

18 atoms.

Front

Define gravitational force.

Back

The force of attraction between two masses, such as the Earth and an object.

Front

What is normal force?

Back

The support force exerted upon an object that is in contact with another stable object.

Front

Explain the concept of potential energy.

Back

The energy stored in an object due to its position or configuration.

Front

Explain kinetic energy.

Back

The energy of an object due to its motion.

Front

What is the relationship between potential energy and height?

Back

Potential energy increases as height increases.