Science: Matter and Energy - Chapter 3 Test 2

Front

What is efficiency in the context of energy conversion?

Back

Efficiency is the measure of how well a gadget converts input energy or effort into the desired output or result.

Front

What is the formula to calculate speed?

Back

Front

What does power represent in physics?

Back

Power is the rate at which work is done or energy is transferred, often expressed as the amount of energy used per unit of time.

Front

What is the Ideal Mechanical Advantage (IMA) of a screw?

Back

Front

What is momentum in physics?

Back

Front

What is the relationship between work, power, and time?

Back

Front

Define inertia in the context of motion.

Back

Inertia is the property of an object to resist changes in its state of motion, meaning it will remain at rest or in uniform motion unless acted upon by an external force.

Front

What is the formula for calculating kinetic energy?

Back

Front

What is the principle of conservation of energy?

Back

The principle of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.

Front

What is the formula for calculating gravitational potential energy?

Back