# Chapter 2- Physics

### 25 terms by nugirll2004

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Newton's Laws of Motion

### whirl a rock at the end of a string and it follows a circular path. If the string breaks, the rock tends to

follow a straight - line path

### a sheet of paper can be pulled from beneath a box of cereal without toppling it if the paper is jerked quickly. This is best demonstrates that

the box has inertia

0 N

### earth moves about 30 km/s relative to the sun. when you jump upward in front of a wall, the wall doesn't slam into you at 30 km/s because the wall

and you move at the same horizontal speed, before, during, and after your jump

the same time

constant force

double

10 times as much

2000 N

3.0 m/s^2

2 m/s^2

2 m/s^2

### a 10 kg brick and a 1 kg book are are dropped in a vacuum. the force of gravity on the 10 kg brick is

10 times as much as the force on the 1 kg book

### when you toss a coin straight up, it moves upward, turns around, an drops. during this time the acceleration of the coin is

downward and constant

6 N

1 s

0.6 g

the light woman

300 N upward

### Action and reaction forces comprise the parts of

a single interaction

1000 N

### an archer shoots an arrow. if the action force is the bowstring on the arrow, the reaction is the

arrow's push on the bowstring

### as a ball falls, the action force is the pull of Earth's mass on the ball. the reaction force is the

pull of the ball's mass on Earth

### a Mack truck and a Mini Cooper traveling at the same speed collide head on. the collision force is greatest on

the same for both

Suzie

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