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Specification of vectors in components Scalar multiplica
plication of a vector addition and subtraction of vectors
Vector equation of a straight line Position vector of a point
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a x b acceleration due acceleration vector angle bisect centre of gravity centre of mass centroid circle coefficient of restitution collinear collision Commutative law component vectors components are measured constant cos2 defined direction cosines distributive law due to gravity Equating components Example Find an expression Find the position find the velocity fixed axes force F gravity as 32 Hence hyperbola incentre lamina line of action locus lx and l2 measured in ft medians nautical miles parabola paraboloid parallelepiped parallelogram parameter particle moves perpendicular point with position polar coordinates position vector relative projectile Px and P2 reference directions relative to fixed rhombus scalar product ship shortest distance specify Specimen Paper speed spheres string tightens tangent tetrahedron unit upward vertical unit vector University of London vector product vectors rx velocity and acceleration velocity vector