Energy and Momentum Review

Front

What is kinetic energy?

Back

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

Front

How do you calculate the kinetic energy of an object?

Back

Kinetic energy (KE) is calculated using the formula KE = 1/2 mv², where m is the mass of the object and v is its velocity.

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or configuration, commonly associated with gravitational potential energy.

Front

At what point is potential energy greatest in a gravitational field?

Back

Potential energy is greatest at the highest point in a gravitational field, where the object has the maximum height.

Front

What is the formula for gravitational potential energy?

Back

Gravitational potential energy (PE) 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 power in physics?

Back

Power is defined as the rate at which work is done or energy is transferred, calculated as Power = Work / Time.

Front

What is the relationship between work and energy?

Back

Work is done when energy is transferred from one system to another, and it is equal to the change in energy of the system.

Front

What are elastic and inelastic collisions?

Back

In elastic collisions, kinetic energy is conserved, while in inelastic collisions, kinetic energy is not conserved and objects may stick together.

Front

What happens to kinetic energy in an inelastic collision?

Back

In an inelastic collision, some kinetic energy is transformed into other forms of energy, such as heat or sound, and is not conserved.

Front

What types of energy are present when a person climbs a ladder?

Back

Both potential energy (due to height) and kinetic energy (due to movement) are present when a person climbs a ladder.