Forces Flashcards
What is a force?
Pushes and pulls in a particular direction.
What are balanced forces?
Two forces equal in size acting in opposing directions.
What are unbalanced forces?
Two forces acting in opposing directions that are not equal in size.
What is friction?
A force between two surfaces that are sliding or trying to slide. It works in the direction opposite to the direction the object is moving or trying to move. It depends on the types of surfaces that are rubbing together and produces heat.
What is air resistance?
The friction an object experiences when trying to move through the air.
What is water resistance?
The friction an object experiences when trying to move through water.
What is gravity?
The force that pulls things towards the centre of the earth and other planets.
What are magnets?
Magnets can attract or repel each other based on which pole is pointing towards each other. Same poles repel, different poles attract.
What is buoyancy?
The ability an object has to float. This is a balance between the objects weight and the force of the water pushing up.