# Jordyn Physical Science Ch2 Motion

## 11 terms

### Distance

how far an object moves

### Displacement

distance and direction of an objects change in potion from the starting point

### Speed

distance an object travels per unit of time

### Average Speed

total distance an object travels divided by the total time it takes to travel that distance

### Instantaneous Speed

speed of an object at a given point in time; is constant for an object moving with constant speed, and changes with time for an object that is slowing down or speeding up

### Velocity

the speed and direction of a moving object

### Acceleration

rate of change of velocity; can be calculated by dividing the change in the velocity by the time it takes the change to occur

### Force

a push or pull exerted on an object

### Net Force

sum of the forces that are acting on an object

### Balanced Forces

forces on a object that combine to give a zero net force and do not change the motion of the object

### Inertia

resistance of an object to a change in its motion

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