# Chapter 2

### 19 terms by lindsvalentine

#### Study  only

Flashcards Flashcards

Scatter Scatter

Scatter Scatter

## Create a new folder

### Consider an object in freefall. Each second the object falls, what happens to the distance?

It falls with a greater distance than in the second before.

a constant speed

### Whirl a rock at the end of a string and it follows a circular path. If the string broke, what path would it take?

a straight line path

### Galileo found that a ball rolling down one inclined plane rolls how far up another incline plane?

To nearly the same height as it initially started.

### The law of inertia applies to

objects at rest & moving objects

5 N

equal to 100N

20 km/h

inertia

it has mass

### A force is a vector quantity because it has both

magnitude and direction

zero

0N

### A truck is moving at a constant velocity, inside the storage compartment, a rock is dropped from the midpoint of the ceiling and strikes the floor below. The rock hits the floor..

exactly below the midpoint of the ceiling

6N

### The two measurements necessary for calculating average speed are

distance and time

100 m/s

Example: