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Explain the Principle of Moments.

The moment of a force about any point is defined as the force x perpendicular distance from the line of action of the force to the point - moment = F x d the unit is Nm. Principle of moments states that for ...
CD
Answered by Chris D. • Maths tutor
19127 Views

What is the difference between a scalar and vector quantity?

Scalars have a magnitude (size) only. Vectors have both magnitude and direction.
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Answered by Chris D. • Maths tutor
7584 Views

How do I solve simultaneous equations?

Let's use an example. x+y=6 2x+3y=14 Find the values of x and y. When I was kid back then, I was always wondering why are equations important? Well, for me, its because we want to be precise with our asnwers...
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Answered by Wilson H. • Maths tutor
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What is the Pythagoras Theorem?

The Pythagoras Theorem equation is: a 2 + b 2 = c 2 It is used to calculate an unknown side of a right angled triangle. a, b and c represent sides of the triangle and you can rearange the formula to find whi...
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Answered by Natasha B. • Maths tutor
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How do I simplify the equation 4x + 5x -2 - 2x + 7?

To simplify an equation the x terms can be collected together to give: 4x + 5x - 2x = 7x The numbers can be collected together to give: -2 + 7 = 5 Which then when put together makes 7x + 5
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Answered by Natasha B. • Maths tutor
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