The cause of acceleration according to the Second Law of Newton. Can be straight or curved, determining the type of motion. Velocity Measured in m/s; central to both the First and Second Laws. Mass
: A physical quantity equal to the product of a body's mass and its velocity. krossvord po fizike 9 klass po ucheniku peryshkin 1 glava
: A vector quantity that characterizes the rate of change of velocity. The cause of acceleration according to the Second
Conducted experiments on inclined planes to study free fall and inertia. Distinct from "path" because it has a specific direction. Mass : A physical quantity equal to the
Explains why objects stay at rest or keep moving unless acted upon. Calculated as in the context of uniformly accelerated motion. Impulse Also known as "momentum" ( ), introduced later in the chapter. Force
7. Trajectory : The line along which a body moves.8. Velocity : A vector quantity characterized by the ratio of displacement to the time interval.9. Mass : A scalar quantity that is a measure of a body's inertia.10. Galileo : The scientist who first formulated the law of inertia.11. Displacement : A vector connecting the initial position of a body with its subsequent position. Answer Key and Explanations Explanation Motion