Fall 2024 Semester Test

Front

What does the size of the gravitational force between two objects depend on?

Back

The size of the gravitational force depends on the masses of the objects and the distance between them.

Front

What happens to the resistance of a wire when its temperature increases?

Back

Increasing the temperature of the wire increases its resistance.

Front

What type of energy is stored in food?

Back

Energy stored in food is considered chemical potential energy.

Front

What type of energy increases with the height of an object?

Back

Gravitational potential energy increases with the height of an object.

Front

What is a fuse in an electrical circuit?

Back

A fuse contains a piece of metal that melts if it gets too hot, opening the circuit to prevent damage.

Front

Define gravitational force.

Back

Gravitational force is the attractive force between two masses.

Front

What is resistance in the context of electricity?

Back

Resistance is the opposition to the flow of electric current in a conductor.

Front

What is chemical potential energy?

Back

Chemical potential energy is the energy stored in the bonds of chemical compounds.

Front

Explain the concept of kinetic energy.

Back

Kinetic energy is the energy of an object due to its motion.

Front

What is thermal energy?

Back

Thermal energy is the total kinetic energy of particles in a substance, related to its temperature.