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Worksheets7.3 PRINCIPLE OF CONSERVATION OF ENERGY
Total questions: 10
Worksheet time: 10mins
The Law of Conservation of Energy states:
Energy can created or destroyed but not transformed
Energy cannot be created or destroyed, it can only transformed
Energy can't be created, destroyed or transformed
Energy cannot be created or destroyed.
What is the formula for Kinetic Energy?
KE = mass x velocity
KE= 1/2 x mass x velocity 2
KE = mass x gravity x height
KE = mass x velocity / 2
What force causes a roller coaster cart to slow down the most?
friction
weight
gravity
air resistance
What happens when the ball goes from the highest position to the lowest position
PE and KE increases and decreases together
Impossible to know without knowing the mass of the object
the PE decreases while KE increases
A ball is projected into the air. Where is potential energy the greatest?
