PhySci Midterm Review

Front

Which process transfers thermal energy by the movement of fluid (liquids or gases)?

Back

Convection

Front

The relationship between current, voltage, and resistance is described by _______________________

Back

Ohm’s law

Front

The tendency of an object to resist changes in its motion is called _________________.

Back

Inertia

Front

If a car has a mass of 1,500 kg and accelerates at 2 m/s², what is the force required to produce this acceleration?

Back

3,000 N

Front

Which of the following is an example of heat transfer through conduction?

Back

A metal spoon becomes hot when placed in a pot of boiling water.

Front

What is the formula for calculating force?

Back

Force = Mass × Acceleration

Front

What is the unit of electrical resistance?

Back

Ohm (Ω)

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Front

What is the definition of thermal conductivity?

Back

The ability of a material to conduct heat.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).