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axes axis base called cast centre circle common cone conic considered construction curve cylinder described determined diagram direction distance Draw Draw the plan drawn edge ellipse equal equation example exercise face feet figure fixed follows forces given plane given point ground line Hence horizontal plane horizontal trace hyperbola inches inches in diameter inches long inclined intersection Join length load measured meet method motion moulding moving obtained parabola parallel pass perpendicular placed plan and elevation plane of projection plane parallel polygon position prism produced pyramid radius Referring represented respectively resultant right angles right circular rolling scale shadow shown in Fig shows side solid sphere square straight line surface Take taken tangent touch triangle true values vector vertex vertical plane vertical trace
Página 102 - The magnitude of the moment (generally called the moment) is the product of the magnitude of the force and the perpendicular distance of its line of action from the point or axis.
Página 18 - F') ; the diameter drawn through them is called the major axis, and the perpendicular bisector of this diameter the minor axis. It is also defined as the locus of a point which moves so that the ratio of its distance from a fixed point...
Página 105 - The Arm of a couple is the perpendicular distance between the lines of action of the two forces...
Página 105 - ... forces which tend to turn the body in the opposite direction about the same point.
Página 7 - Similar rectilineal figures are those which have their several angles equal, each to each, and the sides about the equal angles proportionals.
Página 180 - A parallelepiped is a prism whose bases are parallelograms. A pyramid is a polyhedron having a polygon for its base, and for its sides it has triangles which have a common vertex, and the sides of the polygon for their bases. The common vertex of the triangles is called the vertex, or apex, of the pyramid. The axis of a prism is a straight line joining the centres of its ends; and the axis of a pyramid is the straight line from its vertex to the centre of its base. A right prism or pyramid has its...