Unit P-2: Machines, Work, and Energy Review 2024

Front

What is gravitational potential energy?

Back

Gravitational potential energy is the energy an object possesses due to its position in a gravitational field, typically measured relative to a reference point. It is highest at the top of a hill.

Front

Where is maximum gravitational potential energy found on a roller coaster?

Back

At the top of a big hill.

Front

What is thermal energy?

Back

Thermal energy is the form of energy that is experienced as heat, causing particles of matter to move faster.

Front

What is the formula for work?

Back

Work can be defined as a force acting over some amount of distance to cause a change in energy.

Front

What is a lever?

Back

A lever is a simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum.

Front

How is work calculated?

Back

Work is calculated using the formula: Work = Force x Distance.

Front

What is kinetic energy?

Back

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

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is tilted at an angle to help raise or lower objects with less effort.

Front

What is the relationship between work and energy?

Back

Work is the process of transferring energy from one system to another, resulting in a change in energy.

Front

What is a pulley?

Back

A pulley is a simple machine that consists of a wheel on an axle or shaft designed to support movement and change the direction of force.