Physics all of AS 0.0 / 5 ? PhysicsALL AS TOPICSASOCR Created by: Sahar8604Created on: 01-07-21 19:23 what is a Scalar quantity a quantity with magnitude but no direction 1 of 11 what is a vector quantity a quantity with magnitude AND direction 2 of 11 how to calculate the horizontal component of a vector Fh= Fcosθ (side that encloses θ is horizontal) 3 of 11 how to calculate the vertical component of a vector Fv+ Fsinθ 4 of 11 what are the 4 equations motion with constant acceleration 1. v = u + at 2. s= (u+v)/2 x t. 3.s=ut + 1/2at^2. 4. v^2 = u^2 +2as 5 of 11 what is free fall the motion of an object undergoing an acceleration of ''g'', where no other force acts except for gravity 6 of 11 what is the value of g 9.81, unless given different value 7 of 11 sign conventions for g (when replacing a with g in Suvat equations) g always downwards so negative, t always positive, u and v can be positive or negative, s can be positive or negative 8 of 11 projectile motion horizontal and vertical components of objects motion are completely independent 9 of 11 projectile motion continued projectiles follow curved path because horizontal remains constant while vertical velocity is affected by acceleration due to gravity g 10 of 11 projectile motion cntd resolve the velocity in projectile motion by using horizontal and vertical components 11 of 11
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