Physical Science Final Fall 2024

Front

Fill in the blanks: Newton's third law states for every ________, there is an ________ and _______________ reaction.

Back

action, equal, opposite

Front

What is the formula for calculating acceleration?

Back

Acceleration = (Final Velocity - Initial Velocity) / Time

Front

A car accelerates from rest to a velocity of 20 m/s in 5 seconds. What is its acceleration?

Back

4 m/s²

Front

How many laws of motion did Newton discover?

Back

3

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.

Front

How many valence electrons does Lithium have?

Back

1

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

Calculate the speed of a car that travels 150 kilometers in 3 hours.

Back

50 km/h

Front

What is Newton's first law of motion?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

Front

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

Back

Newton (N)