Physics 101 Essentials

Kinetic energy is the energy an object possesses due to its motion, calculated as 1/2 mv² where m is mass and v is velocity.

Energy of motion, calculated as 1/2 mv² (m=mass, v=velocity).

An object at rest stays at rest and an object in motion stays in motion unless acted upon by an external force.

The total energy in an isolated system remains constant; energy can neither be created nor destroyed, only transformed from one form to another. Explanation: The principle of conservation of energy states that the total amount of energy in an isolated system remains constant and cannot be changed. This is because energy can only be transferred or transformed, but not destroyed or created. I have used the tags to emphasize important keywords that communicate the essence of the principle of conservation of energy.

Speed is a scalar quantity representing how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Potential energy is the energy stored in an object due to its position or configuration, such as gravitational potential energy in a raised object.

Hooke's Law states that the force needed to extend or compress a spring is proportional to the distance it is stretched or compressed (F = kx).

Frequency is the number of complete wave cycles passing a point per unit time, typically measured in Hertz (Hz).

Ohm's Law states that the current through a conductor between two points is directly proportional to the voltage across the two points (V = IR).

The Doppler Effect is the change in frequency or wavelength of a wave in relation to an observer moving relative to the wave source.

Potential energy is calculated as mass times gravity times height (PE = mgh), where g is the acceleration due to gravity.

PE = mgh (mass, gravity, height) Explanation: The formula for potential energy is expressed as mass (m) times gravity (g) times height (h), where g represents the acceleration due to gravity. This concise statement contains the same information as the original flashcard, but in a more succinct format.

Acceleration is the rate of change in the velocity of an object and is typically measured in meters per second squared (m/s^2).

Mass is the amount of matter in an object and is typically measured in kilograms (kg).

PE = mgh (mass, gravity, height) Explanation: The formula for potential energy is expressed as mass (m) times gravity (g) times height (h), where g represents the acceleration due to gravity. This concise statement contains the same information as the original flashcard, but in a more succinct format.