Physical Science 1st Term Review - 1st half

Front

A force that opposes motion between objects that are touching is called...

Back

Friction

Front

The measure of how quickly something moves or the distance it moves in a given amount of time is called...

Back

Speed

Front

An object is _____ if its position changes.

Back

In motion

Front

A type of friction that occurs when air pushes against a moving object causing it to decelerate is called...

Back

Air resistance

Front

Which graph shows an object increasing speed?

Back

Graph D

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What is the difference between velocity and speed?

Back

Velocity includes direction, while speed does not.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

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)