Force Concept Map by Alex Lino

Interactions described in terms of forces

alino12 — 2025-04-18 02:57:55 UTC

Forces are pushes or pulls that occur when objects interact. These interactions can be described by the direction and strength of the force, measured in newtons. Forces act only during the interaction and are not transferred from one object to another.

Forces between interacting objects

alino12 — 2025-04-18 02:58:18 UTC

When two objects interact, they exert equal and opposite forces on each other. This mutual action follows Newton’s Third Law, and each object experiences only one of the two forces in the pair.

Net force on an object at rest

alino12 — 2025-04-18 02:58:40 UTC

If a non-zero net force acts on an object at rest, the object will begin to move in the direction of that net force. A net force is required to initiate motion.

Net force in direction of motion

alino12 — 2025-04-18 02:59:17 UTC

When the net force acting on an object is in the same direction as its motion, the object will speed up. This type of unbalanced force leads to positive acceleration.

Combinations of forces

alino12 — 2025-04-18 03:00:00 UTC

When multiple forces act on an object simultaneously, their effects combine. The object’s motion depends on the net effect of all the forces, not just the strongest one, and can result in balanced or unbalanced forces.

Net force in direction opposite to motion

alino12 — 2025-04-18 03:01:27 UTC

If the net force acts in the direction opposite to the motion of an object, it will slow down. If the force continues, the object may stop or even reverse direction.

Effect of balanced forces

alino12 — 2025-04-18 03:01:55 UTC

Balanced forces result in no change in motion. If an object is at rest, it stays at rest; if it’s in motion, it continues moving in a straight line at a constant speed.

Rate of change in speed

alino12 — 2025-04-18 03:02:25 UTC

The acceleration of an object depends on the strength of the net force and the object’s mass. A stronger force or smaller mass results in a greater change in speed. This relationship is described by Newton’s Second Law.

Force from the side

alino12 — 2025-04-18 03:02:43 UTC

A sideways force on a moving object causes it to change direction. The speed might remain constant, but the object’s path will curve or turn due to the directional force.

Curved path

alino12 — 2025-04-18 03:03:15 UTC

An object experiences a curved path if a continuous force is applied toward a common center, such as gravitational or centripetal forces. This force causes the object to move in a circular or arcing motion.

Air Resistance

alino12 — 2025-04-18 03:03:51 UTC

Air resistance, or drag, is a force that opposes the motion of objects moving through air. It increases with the object’s speed and surface area in the direction of travel, and it always acts opposite to the motion.

Force Model & Combined Forces

alino12 — 2025-04-18 03:41:32 UTC

The Force Model is used to describe the motion of objects based on the forces acting on them. When objects push or pull on one another, they exert forces that affect motion. This model helps explain how forces combine, balance, or oppose one another to produce or prevent changes in speed and direction. By analyzing the direction, strength, and net result of these forces, scientists can predict motion and explain interactions in terms of Newton's Laws.