Motion

Acceleration

A change in velocity with respect to time. Acceleration. In simple terms, acceleration is how quickly something speeds up, slows down, or changes direction.

Average speed

The distance an object travels divided by total time taken. Average speed. It tells you how fast something is moving overall during a period of time.

Constant speed

The rate of change of position in which the same distance is traveled each second constant speed. Constant speed means you are moving at the same pace without speeding up or slowing down.

Displacement

The difference between the initial and the final position of an object. Displacement. Displacement is how far out of place an object is it's the shortest path from start to finish.

Instantaneous speed

An object's speed at an instant of time. Instantaneous speed. Instantaneous speed is how fast something is moving at a specific moment.

Newtons first law of motion

If the net force acting on an object is zero, the motion of the object does not change. Newton's first law of motion. Objects keep doing what they're doing unless something makes them change.

Newtons second law of motion

The acceleration of an object is the net force exerted on it divided by its mass. Newton's second law of motion. Simply put, this law explains that how fast something speeds up depends on how hard you push it and how heavy it is.

Newtons third law of motion

For every action, there is an equal and opposite reaction. Newton's third law of motion When one object exerts a force on another, the second object exerts an equal and opposite force back.

Reference point

A place or object used to describe the position or motion of another object. Reference point. In Science, a reference point is a fixed place used to determine if something else is moving.

Slope

The steepness of a line on a graph equals vertical change over horizontal change. Slope is a measure of how steep a line is on a graph, indicating how much the line goes up or down for each step it goes across.

Speed

The distance an object travels per unit of time. Speed. Speed is how fast something moves from one place to another.

Vector

A quantity with both a size and direction Physics. Vector. In simple terms, a vector is an arrow that shows how much and which way something is moving or acting.

Velocity

Speed and direction of a moving object velocity. In science, velocity is how fast something is moving and in which direction.