In S.I a _______ is represented by a number times a unit
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1.1 (D) Scalar
a quantity that has only magnitude
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1.1 (D) Vector
a quantity that has magnitude and direction
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1.1 (F) Resolving a vector into components in particular directions
This means finding _______ (the so called components) in these directions, which add together vectorially to make the original ______ and so together are equivalent to this vector.
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1.1 (H) Moment (or torque) of a force
The ______ (or ______) of a _____ about a point is defined as the _____ times the perpendicular distance from the point to the line of action of the _____
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1.1 (I) The principle of moments
For a system to be in equilibrium, anticlockwise moments about a point = clockwise moments about the same point.
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1.1 (J) Centre of Gravity
The ______ of _______ is the single point within a body at which the entire weight of the body may be considered to act.
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Other cards in this set
Card 2
Front
a quantity that has only magnitude
Back
1.1 (D) Scalar
Card 3
Front
a quantity that has magnitude and direction
Back
Card 4
Front
This means finding _______ (the so called components) in these directions, which add together vectorially to make the original ______ and so together are equivalent to this vector.
Back
Card 5
Front
The ______ (or ______) of a _____ about a point is defined as the _____ times the perpendicular distance from the point to the line of action of the _____
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