Year 7 Forces Flashcards
What is a force
A force is an action that makes something or someone move
What is a contract force
It is a force that acts when you touch something
What is an example of a contract force
Friction
What is a non-contract force
Forces that act without something touching it
What is an example of a non-contracted force
Gravity
What do you measure forces with
A newton metre
What is meant by an resultant force
When two forces act against each other to have a result
State the equation to calculate speed
Distance divided by time
State the equation to work out time
Distance divided by speed
State the equation to calculate the distance
Speed times time
What does gravitational force depend on
The mass of each object
State the equation to calculate the weight of an object
Mass times gravity
How do you work out the gravitational pull on an object
Weight divided by mass
How do you work out the weight of an object
Mass times gravity
What is a independent variable
A variable that you change
