Physical Science Chapter 11

The appearance of planets moving backwards

m/s is the unit measure for

Change in velocity divided by the change in time is

The distance traveled in an amount of time

In a position-time graph, which is the x - axis label?

the formula for momentum is ...

What is the only force affecting an object in free fall?

the magnitude (quantity) of something

What shows direction as well as a measurement

Δx stands for

The head of the arrow represents the

What keeps an object in a circular motion?

What causes acceleration in circular motion?

Which modern model describes the behavior of subatomic particles?

What is a curved path in physics?

the rate at which an object's position changes

the study of motion is

The measurement for gravitational acceleration is

Velocity from a position-time graph is the

x_f means

Developed the Laws of Planetary Motion

Where is the only place free fall can happen?

When does acceleration occur?

Modern model that describes the near speed of light

Which forces work on a projectile?

m/s² is the unit measure for

Two objects are going the same speed, which has more momentum?

Distance is always

Who hypothesized that two objects would fall at the same rate in a vacuum?

the change in velocity in a given amount of time

Speed at one point in time is

Shows magnitude and direction