Semester Exam Dec 2024

Front

What is the net force acting on an object at rest?

Back

The net force is zero.

Front

What season does the northern hemisphere experience during position C?

Back

Fall.

Front

What energy transformation occurs during photosynthesis?

Back

Light energy is transformed into chemical energy stored in glucose.

Front

How many oxygen atoms are produced in the process of photosynthesis?

Back

18 atoms.

Front

What happens to potential energy as a roller coaster descends?

Back

Potential energy decreases.

Front

What happens to kinetic energy as a roller coaster descends?

Back

Kinetic energy increases.

Front

Define balanced forces.

Back

Balanced forces are equal in size and opposite in direction, resulting in a net force of zero.

Front

What is the definition of potential energy?

Back

Potential energy is the energy stored in an object due to its position or state.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Front

Explain the relationship between potential and kinetic energy in a roller coaster.

Back

As potential energy decreases, kinetic energy increases, and vice versa.