An elementary treatise on MechanicsMacmillan, 1863 - 374 σελίδες |
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Σελίδα viii
... referred to rectangular co - ordinates , 88 ; motion on a smooth inclined plane , 89 ; problems , and remarks on the imperfection of the theory , 90-94 . PAGH 219 CHAPTER V. Motion on a curve Velocity acquired down a curve , 96 , 97 ...
... referred to rectangular co - ordinates , 88 ; motion on a smooth inclined plane , 89 ; problems , and remarks on the imperfection of the theory , 90-94 . PAGH 219 CHAPTER V. Motion on a curve Velocity acquired down a curve , 96 , 97 ...
Σελίδα 35
... referred to as the principle of the lever . 37. The theorem stated in Article ( 32 ) admits of the fol- lowing simple analytical proof , -in the case of forces which are not parallel . Let AP , AQ be the directions of two forces P , Q ...
... referred to as the principle of the lever . 37. The theorem stated in Article ( 32 ) admits of the fol- lowing simple analytical proof , -in the case of forces which are not parallel . Let AP , AQ be the directions of two forces P , Q ...
Σελίδα 37
... referred to two lines Ax , Ay , at right angles to one another in the plane of the forces . Let O be the point of application of any one of the forces P , and let P be resolved into two components X , Y , y B in directions parallel to ...
... referred to two lines Ax , Ay , at right angles to one another in the plane of the forces . Let O be the point of application of any one of the forces P , and let P be resolved into two components X , Y , y B in directions parallel to ...
Σελίδα 40
... referred ) , F = μP , -μ being some quantity found by experiment ; and the direction in which the friction acts in the tangent plane is exactly opposite to the direction in which the point C would tend to slide if the surfaces were for ...
... referred ) , F = μP , -μ being some quantity found by experiment ; and the direction in which the friction acts in the tangent plane is exactly opposite to the direction in which the point C would tend to slide if the surfaces were for ...
Σελίδα 58
... referred to the memoirs of Coulomb and M. Morin . Experiments have been made on a large scale by Stephen- son , De Pambour and others for the purpose of determining the dynamical friction on railroads — by which the laws 58 OF FRICTION .
... referred to the memoirs of Coulomb and M. Morin . Experiments have been made on a large scale by Stephen- son , De Pambour and others for the purpose of determining the dynamical friction on railroads — by which the laws 58 OF FRICTION .
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accelerating force angular points applied axis balance ball bisects body or system centre of gravity circle coefficient of friction conditions of equilibrium cos² curve cycloid cylinder determine diagonal distance elastic equal particles equation equi find the centre fixed point forces acting fulcrum funicular geometrical given heavy particles Hence horizontal plane impact inclined plane latus rectum length lever librium magnitude and direction mass middle point moving parabola parallel parallelogram parallelogram of forces parallelopiped Pcos perpendicular polygon position of equilibrium pressure pully pyramid radius represented resolved rest resultant right angles rough shew sides similar triangles sin² sliding smooth sphere straight line string passes student suppose surface system of forces system of particles tangent tension theorem three forces tion triangle uniform vertex vertical plane virtual velocity W's virtual weight
Δημοφιλή αποσπάσματα
Σελίδα 15 - If two forces acting at a point be represented in magnitude and direction by the...