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Unit 10.1

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by

Paul Sheffield

on 14 January 2016

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Transcript of Unit 10.1

Objectives
Energy rules
Force and work done
Force and displacement
Force distance graphs
Starter
List the types of energy store
Define the term energy
Forces at work
A narrow boat is drawn by a horse along a tow path. The horse pulls the boat at a constant speed between two locks 1500m apart.
The tension in the rope is 100N to 2 s.f at 40 degrees to the direction of motion.
Calculate the work done.
Key points
Kinetic and potential energy
Principle of the conservation of energy
Unit 10.1
Work Energy and power

a motor is used to lift 20kg load to 3.0m
calculate the work done
work is energy transferred
Distance is in meters
Force is a fixed value in calculations
the direction of the force is the same as the direction of the movement
Definition of a joule
Full transcript