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KEy question: What is the difference between them?
KEy question: What is the difference between them?
Task 1 - Do now
Task 1 - Do now
Drag and drop the boxes to make a list of conatact and non contact forces.
Complete the DO NOW on the companion sheet
Some facts about weight
Some facts about weight
Mass is a measure of 'how much stuff' there is in something.
When that mass is in a gravitational field, it exerts a force in the direction of the gravity.
This force is called it''s WEIGHT.
Weight is a force, therefore it is measured in Newtons (N)
Example
Mr Higgins has a mass of 100kg. Mr Higgins is on Earth where the strength of the gravitational field is 9.81 Newtons per Kilogram (N/Kg). This means that every kilo of his mass has a force of 9.81N pushing it into the ground.
So....100kg x 9.81 = 981NÂ
Mr Higgins has a mass of 100kg, but a weight of 981N!
So , what's the equation?
So , what's the equation?
Weight = Mass x graviational field strength........ or just W=mg
W = Weight (a force) in Newtons N
m = Mass (an amount of 'stuff') in Kilograms kg
g = Gravity in Newtons per Kilogram N/kg
This formula is dirived from F=ma - which has it's own lesson later on!
Task 2 - Explainer video
Task 2 - Explainer video
Watch the video and then answer the questions on the companion sheet
Complete the task on the companion sheet
Get to know the equations
Get to know the equations
The formula will only be given to you as W=mg
You need to be abkle to rearrange this formula if you want to get higher marks.
Task 3 - Trip to the planets
Task 3 - Trip to the planets
Complete the task in the companion sheet to se how much you would weight on the different planets of our solar system.
Complete task 3 in the companion sheet
Task 4 - Past Papers
Task 4 - Past Papers
Complete the past paper questions
Complete task 4 on the companion sheet
Another perspective
Another perspective
Maybe this type of video suits you better?
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