Forces Flashcards
(6 cards)
When you push the two ends of a pencil together, what are the forces on your hands?
You are compressing the pencil and forces of compression act out on your hands.
What do you get when you combine forces?
The resultant.
If there is a question where it talks about a man in a lift holding a box by a piece of string what is the first thing you do?
Right in bold the total mass of the man including that of the box.
What part of a question tells you that tension is the same throughout a piece of string?
the pulleys are smooth and the string is light
What information in a question tells you that the magnitude of acceleration is the same for different masses?
the string is inextensible
When doing a force digram, what should you do for Gravity?.
Don’t just have an arrow with G. Give the actual force or write MG.
