Conceptos Básicos de Física

What is meant by the magnitude of a physical quantity?

• A number and a unit of measurement

• A natural phenomenon

• A quantifiable property

What principles did Isaac Newton establish?

• Laws of motion

• Theory of relativity

• Principle of uncertainty

What is a physical quantity?

• A quantifiable property

• A natural phenomenon

• A type of energy

What are the two main branches of physics?

• Classical and modern physics

• Theoretical and experimental physics

• Applied and pure physics

What is needed to measure a physical quantity?

• A standard of measurement

• An electronic device

• An experiment

What is a standard in measurements?

• A permanent physical record

• A unit of measurement

• A natural phenomenon

Who is considered the father of physics?

• Galileo Galilei

• Isaac Newton

• Albert Einstein

Which statement about frequency is true?

• Frequency and period are the same thing

• Frequency is the number of revolutions per second

• Frequency is the total number of revolutions made in one hour

• Frequency is the time taken for one revolution

What happens to the vertical velocity of an object in projectile motion when it reaches the highest point?

• It is at its maximum at that point.

• It remains constant.

• It becomes zero momentarily.

An object in static equilibrium must have:

• Both net force and net torque equal to zero

• Only upward forces

• No forces acting on it

• Constant acceleration