Newton & Energy

Front

What is the total mechanical energy of an object with 75J of potential energy and 100J of kinetic energy?

Back

175 J

Front

What is the weight of a 20kg child on the surface of Earth?

Back

200 N

Front

Energy due to motion is ____________ energy.

Back

Kinetic

Front

What is acceleration?

Back

An object changing speed or direction.

Front

This is a force that moves a roller coaster car down the tracks.

Back

Gravity.

Front

What is potential energy?

Back

Energy stored in an object due to its position or state.

Front

What is kinetic energy?

Back

Energy an object possesses due to its motion.

Front

What is the formula for calculating gravitational potential energy?

Back

PE = mgh (mass x gravity x height).

Front

What is the unit of energy in the International System of Units (SI)?

Back

Joule (J).

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on an object's mass.