Final Exam Review Fall '24

Front

What is a unit of mass?

Back

Gram (g) is a unit of mass.

Front

What happens to the potential energy of a rock as it falls off the side of a cliff?

Back

The potential energy decreases as the kinetic energy increases.

Front

What is an example of a non-contact force?

Back

Magnetic force is an example of a non-contact force.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.

Front

Which requires less force to move: an empty bucket or a bucket full of sand?

Back

The empty bucket requires less force to move than the bucket full of sand.

Front

What is kinetic energy?

Back

Kinetic energy is the energy an object possesses due to its motion.

Front

What is potential energy?

Back

Potential energy is the stored energy of an object due to its position or state.

Front

What is the difference between contact and non-contact forces?

Back

Contact forces require physical interaction, while non-contact forces act at a distance.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object.

Front

What is tension?

Back

Tension is the force exerted by a string, rope, or cable when it is pulled tight.