Mark Willis

Introduction to moments of forces.
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Mark Willis
Drawing straight line graphs
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Mark Willis
Forces on a falling ladder from a brick wall.
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Mark Willis
The moment of a couple.
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Mark Willis
A model for friction.
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Mark Willis
Finding the resultant of a system of forces.
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Mark Willis
Energy gained by a block being winched up a rough slope.
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Mark Willis
Forces on a man and a lift moving upwards and downwards.
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Mark Willis
The combinations of graphs of function a reflection and translation f(4-x)
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Mark Willis
Combinations of transformations of graphs of functions a stretch and a translation
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Mark Willis
Differentiation by first principles
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Mark Willis
Small angles measured in radians.
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Mark Willis
The derivative of f(x) = lnx
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Mark Willis
Projecting a particle P downwards on a uniform slope.
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Mark Willis
Projecting a particle P on a uniform slope
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Mark Willis
A model for a projectile launched from a building.
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Mark Willis
Negative displacement of a displacement-time graph
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Mark Willis
Distance travelled by a ball thrown vertically upwards.
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Mark Willis
Finding when one particle overtakes another particle on a straight line
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Mark Willis
Finding the angle of projection given the range.
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Mark Willis
Stretches of functions parallel to the x-axis.
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Mark Willis
Modelling the path of a hockey ball.
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Mark Willis
Throwing two balls one second apart.
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Mark Willis
Kinematics: A drone moving in straight line.
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Mark Willis

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