Elementary Practical MathematicsMacmillan and Company, Limited, 1899 - 404 páginas |
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Página 8
... contains 9 square feet . The smaller measures of length , the foot and the inch , are much more generally used than the yard . If the unit of length A E ( Fig . 2 ) be one foot , the unit of area AEF is one square foot . In a similar ...
... contains 9 square feet . The smaller measures of length , the foot and the inch , are much more generally used than the yard . If the unit of length A E ( Fig . 2 ) be one foot , the unit of area AEF is one square foot . In a similar ...
Página 10
... contains 144 square inches , the volume is 1728 cubic inches . Ꭰ A B As already mentioned in the case of the unit of length , with one or two exceptions , bodies expand by heat and contract when cooled ; hence the tem- perature of the ...
... contains 144 square inches , the volume is 1728 cubic inches . Ꭰ A B As already mentioned in the case of the unit of length , with one or two exceptions , bodies expand by heat and contract when cooled ; hence the tem- perature of the ...
Página 11
... contains matter either in solution or mixed with it , its weight would be altered . Thus , the weight of a cubic foot of salt water is 64 lbs . , and the weight of a gallon of muddy water may be 11 or 12 lbs . instead of 10 lbs . 1 2 3 ...
... contains matter either in solution or mixed with it , its weight would be altered . Thus , the weight of a cubic foot of salt water is 64 lbs . , and the weight of a gallon of muddy water may be 11 or 12 lbs . instead of 10 lbs . 1 2 3 ...
Página 12
... contains . The British Unit of Mass is the Pound Avoirdupois . The mass of a body is ascertained by comparing it with the Standard . The British Pound is defined as the quantity of matter in a platinum cylinder ( Fig . 8 ) deposited in ...
... contains . The British Unit of Mass is the Pound Avoirdupois . The mass of a body is ascertained by comparing it with the Standard . The British Pound is defined as the quantity of matter in a platinum cylinder ( Fig . 8 ) deposited in ...
Página 13
... , since , as has been seen , the litre contains 1000 cubic centimetres ( c.c. ) a gram is the weight of a cubic centimetre of water at a temperature of 4 ° C. The gram is the usual unit used , and hence when. UNITS OF MASS . 13.
... , since , as has been seen , the litre contains 1000 cubic centimetres ( c.c. ) a gram is the weight of a cubic centimetre of water at a temperature of 4 ° C. The gram is the usual unit used , and hence when. UNITS OF MASS . 13.
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Términos y frases comunes
algebraical angular velocity arithmetical axis base calculate called cent centimetre centre of gravity circle circumference cosine cubic centimetre cubic foot curve cylinder decimal denominator denote diameter distance divided division Draw equal equation EXERCISES expression factors feet figure Find the area find the number Find the value foot force fraction frustum funicular given number Hence horizontal line inclined intersection joining logarithms magnitude mantissa mass means measure method moment of inertia multiplied number of units numerical value obtained ordinates parallel parallelogram perpendicular planes of projection polygon protractor quantity radians radius ratio rectangle represented result rhombus right angles scale sides similar manner Simpson's rule sine slide slide rule specific gravity square inches square root squared paper straight line subtract surface tangent unit of length vectors velocity vertical volume weight yard
Pasajes populares
Página 16 - Therefore, the specific gravity of a solid or a liquid body is the ratio of its weight to the weight of an equal volume of water...
Página 228 - Of four-sided figures, a square is that which has all its sides equal, and all its angles right angles.
Página 310 - But we know that a force may be represented in a purely graphical manner by a straight line in the direction of the force containing as many units of length as there are units of force in the force. The end of this line is marked with an arrow head to show in which direction the force acts. According to this method each force is drawn in its proper position in the diagram of configuration of the frame. Such a diagram might be useful as a record of the result of calculation of the magnitude...
Página 230 - The square described on the hypothenuse of a rightangled triangle is equal to the sum of the squares described on the other two sides.
Página 45 - If the numerator and denominator of each fraction is multiplied (or divided) by the same number, the value of the fraction will not change. This is because a fraction b/b, b being any number, is equal to the multiplicative identity, 1 . Therefore, Hx8.= 88 _5_x!
Página 70 - Proportional, when the ratio of the first to the second is equal to the ratio of the second to the third.
Página 147 - If the given number is greater than 1, make the characteristic of its logarithm one less than the number of figures to the left of the decimal point in the number.
Página 377 - GENERAL INSTRUCTIONS. — If the rules are not attended to the paper will be cancelled. — You may take the Elementary, or the Advanced, or the Honours paper, but you must confine yourself to one of them.
Página 149 - The logarithm of the quotient of two positive numbers is found by subtracting the logarithm of the divisor from the logarithm of the dividend. (6) The logarithm of a power of a positive number is found by multiplying the logarithm of the number by the exponent of the power. For, N" = (oT)
Página 175 - From the top of a hill the angles of depression of two successive milestones, on a straight level road leading to the hill, are observed to be 5° and 15°.