Application of forces 0.0 / 5 ? Physical EducationApplied Physiology to Optimise PerformanceA2/A-levelAQA Created by: MaryCreated on: 23-09-14 12:13 Footfall the action of the foot making contact with the ground when walking, running or jumping 1 of 23 Negative impulse a force generated when absorbing body motion-landing 2 of 23 Positive impulse an impulse that moves the body 3 of 23 Angular velocity the rate of movement in rotation. 4 of 23 Angular acceleration the amount of motion that the body has during rotation - angular velocity X momentum of inertia. 5 of 23 Angular momentum the amount of motion that the body has during rotation - angular velocity X momentum of inertia. 6 of 23 Moment of inertia the resistance of a body to a change of state when rotating. 7 of 23 Angular a word used to describe the motion of a mass when it is rotating or spinning. 8 of 23 Moment the turning effect produced by a force, measured in newton metres(Nm); also known as torque. 9 of 23 Moment arm the perpendicular distance from the point of application of a force to the axis of rotation. 10 of 23 Resistance arm the mass and the lever system from the mass to the fulcrum. 11 of 23 Effort arm the part of the lever system from where the effort is applied to the fulcrum. 12 of 23 Perpendicular at right angles to. 13 of 23 Principle of moments for a body to be equilibrium (balance), the sum of the clockwise moments is equal to the sum of the anticlockwise moments about the fulcrum (pivot) 14 of 23 Angular movement the movement of a body or mass around an axis- spinning, rotating, turning. 15 of 23 Conservation of angular movement the principle that the angular momentum of an object reaimins constant as long as no external force (moment or torque) acts on that object. 16 of 23 Radian one radian equals 57.3 degrees 17 of 23 Angle of release the angle at which an object is released, measured from the horizontal. 18 of 23 Parabolic curve the flight path of a projectile in the absence of air resistance. 19 of 23 Horizontal component the horizontal motion of an object in a parabolic flight curve. 20 of 23 Vertical component the upward motion of an object in a parabolic flight curve. 21 of 23 Height of release the highest point above the ground that an object is released. 22 of 23 Velocity of release the velocity of the object when it is released from the hand. 23 of 23
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