Kinetic and Potential Energy

Front

What is kinetic energy?

Back

Kinetic energy is the energy that an object possesses due to its motion. It is calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or configuration. It is often associated with gravitational potential energy, which is calculated using the formula PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.

Front

What is the law of conservation of energy?

Back

The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.

Front

How does height affect potential energy?

Back

Potential energy increases with height. The higher an object is positioned, the more gravitational potential energy it has.

Front

What factors affect kinetic energy?

Back

Kinetic energy is affected by the mass of the object and its velocity. An increase in either mass or velocity results in an increase in kinetic energy.

Front

What is the relationship between speed and kinetic energy?

Back

The relationship is quadratic; as speed increases, kinetic energy increases by the square of the speed.

Front

Which point in a gravitational field has the most potential energy?

Back

The highest point in the gravitational field has the most potential energy.

Front

What is an example of an object with high potential energy?

Back

A ball resting on the edge of a cliff has high potential energy due to its elevated position.

Front

What is an example of an object with low kinetic energy?

Back

A stationary object, such as a book on a table, has low or zero kinetic energy.

Front

How can energy be transformed from potential to kinetic?

Back

Energy can be transformed from potential to kinetic when an object falls or moves downward, converting its stored energy into motion.