Flashcards on Direction

Front

Direction

Back

A straight path that an object can move along

Front

Force

Back

A push or pull that can change the motion of an object

Front

Diagram of push and pull forces

Back

Illustration of push and pull forces with two people moving an object

Front

Frame of Reference

Back

A system that uses coordinates or background objects to establish position or to measure movement of a point in space.

Front

Frames of Reference Affect Motion Observed

Back

1. To the observer in the car, other cars are approaching at 40 m/s. 2. To the observer standing, each car is approaching at 20 m/s. 3. To each observer in the cars, the cars have zero velocity relative to each other.

Front

Mass

Back

A measure of how much matter is present in a substance

Front

Motion

Back

The change in an object’s position with respect to time and in comparison with the position of other objects used as reference points.

Front

Motion Illustration

Back

The image shows motion as the athletes change position over time compared to the background.

Front

Illustration of a person pushing a large box with arrows indicating force direction.

Back

Net Force: The sum of all the forces acting on an object.

Front

Image of a hand pulling a wooden crate with a spring scale.

Back

Newton (N) is the unit of measurement for force.