P2- Forces Flashcards
What are vector quantities?
Examples of vector quantities
What are scalar quantities?
Examples of scalar quantities
What are vectors usually represented by?
What does the length and direction of an arrow show?
What is a force?
What are the 2 types of forces?
What is a contact force?
Examples of contact forces
What is a non-contact force?
Examples of non-contact forces
What happens when 2 objects interact?
What is an interaction pair?
What is gravitational force?
What are the 2 effects of gravity?
What is mass?
What is weight?
What does the weight of an object depend on?
What is the’centre of mass’?
What is weight measured in?
What is mass measured in?
What is the relationship between mass and weight?
What is the equation to work out weight?
What is the gravitational field strength on earth?
What is a free body diagram?
What are resultant forces?
What happens if a resultant force moves on an object?
What has to happen to make something move?
What is the work done by a force on an object equation?
What is the conversion of joules to newtonmetres?
What happens when work is done against the frictional forces acting on an object?
A rise in the temperature of the object.
3 things that might happen when you apply a force to an object
Why does more than 1 force have to be applied to change the shape of an object?
What does elastically deformed mean?
What does inelastically deformed mean?
If something is elastically deformed, how much of the energy is transferred to the object’s elastic potential energy store?
What is the relationship between the extension of an elastic object and the force applied?
What is the equation for force involving extension?
What does the spring constant of an object depend on?
What does the F= ke equation also apply to?
What happens to the relationship between extension and force when the spring becomes inelastically deformed?
