IEB Matric Physics Definitions TEST Quiz Exam with Verified Answers 2023/2024

IEB Matric Physics Definitions TEST Quiz Exam with Verified Answers 2023/2024 Vector correct answers A physical quantity that has both magnitude and direction. Scalar correct answers A physical quantity that has magnitude only. Resultant vector correct answers The single vector which has the same effect as the original vectors acting together. Distance correct answers The length of path travelled. Distance is a scalar quantity. Displacement correct answers A change in position. Speed correct answers The rate of change of distance. Speed is a scalar quantity. Velocity correct answers The rate of change of position (or displacement). Velocity is a vector quantity. Acceleration correct answers The rate of change of velocity. Weight (Fg) correct answers The gravitational force the Earth exerts on any object on or near its surface. Normal force (FN) correct answers The perpendicular force exerted by a surface on an object in contact with it. Frictional force due to a surface (Ff) correct answers The force that opposes the motion of an object and acts parallel to the surface with which the object is in contact. Newton's first law correct answers An object continues in a state of rest or uniform (moving with constant) velocity unless it is acted upon by a net or resultant force.