FORCES AND THEIR EFFECTS WHAT IS A FORCE
- Slides: 9
FORCES AND THEIR EFFECTS
WHAT IS A FORCE? • It is a push or pull which acts on an object. • We cannot see forces but we can see and feel their effects. • Forces can make things move, stop, speed up, slow down, or change direction.
NON-CONTACT FORCES • Forces that act from a distance and do not make direct contact with objects • Examples: gravity and magnetism
GRAVITY • It is a force that attracts all objects towards each other. • Gravity stops everything on Earth from flying off into outer space. • It caused all objects on Earth to fall to the ground. • video
MAGNETISM • Is a force of attraction or repulsion caused by magnetic materials
CONTACT FORCES • Forces that act through physical contact • Examples: Friction and Buoyancy
FRICTION • The force that exisits when two objects rub against each other. • Friction can slow down or stop a moving object. • Air friction can slow down a parachute and water friction can slow down a boat. • video
BUOYANCY • Is an upward force acts in the opposite direction to gravity on objects immersed in a liquid. • If you put an ice cube in a glass of water, gravity pulls the ice cube down and the buoyant force pushed it up. • video
Forces Non-Contact Forces that act from a distance Forces that act through physical and do not make direct contact with objects Examples: gravity and magnetism Examples: Friction and Buoyancy
Unlike parallel force system
Contact and non contact forces
Balanced forces and unbalanced forces venn diagram
Constructive forces examples
Language features and their effects
Language features and their effects
Mind mapping of intermolecular forces
Body diagram
The forces shown above are pushing/pulling forces
Intermolecular forces vs intramolecular forces
