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What two features do all vector quantities have?
Which of the following is an example of a vector quantity?
Which of the following features do all scalar quantities have?
Which of the following is a contact force?
Which of the following is a non-contact force?
To calculate the work done, what two things do you need?
To stretch an object, how many forces need to be acting on it?
What can we call an object that can go back to its original shape after the force is removed?
What is the unit of force?
What is the relationship between force and extension, up until the limit of proportionality?
What is it called when the force is no longer proportional to extension?
What is spring constant measured in?
How do you work out pressure?
What is pressure measured in?