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St Joseph’s College Gregory Terrace FACULTY OF SCIENCE Declarative Knowledge: what I should know Year 10 PHYSICS Term 2 Workbook 1 Force and Motion Procedural Knowledge: what I should be able to do a definition for force and the SI units for force that a force can be contact or non-contact some types of forces: weight, thrust, friction, resistance, tension that forces can be balanced and unbalanced the definition of “scalar” and “vector” and which motion quantities are scalar or vector quantities the difference between distance and displacement interpret given situations and state distance travelled and displacement SI units for distance and displacement the difference between speed and velocity convert km/h to m/s and m/s to km/h formulae for average speed and average velocity SI units for speed and velocity definition for acceleration and deceleration and difference between acceleration and deceleration formula for acceleration SI units for acceleration describe why there is acceleration due to gravity and recall that g = 9.8m/s2 downwards interpret given situations and calculate average speed and average velocity interpret ticker-timer tapes to recognise state of motion: constant velocity, acceleration, deceleration use a ticker-timer to gather data to determine speed and acceleration of an object in straight line motion use motion sensors to gather data to determine speed and acceleration of objects moving in a straight line interpret given situations and calculate acceleration or deceleration state Newton’s Laws of Motion – 1st, 2nd and 3rd solve vertical motion problems the effect of balanced and unbalanced forces on the motion of an object (N1L) that inertia is the resistance of an object to change in motion (N1L) the meaning of the terms mass, weight, inertia and momentum recognise which of Newton’s Laws of Motion apply to various practical situations identify forces acting on objects that are stationary or moving in a straight line formulae for weight and momentum SI units for mass, weight and momentum that weight varies according to the position of an object relative to the earth (or other large mass!) formula for N2L: F=ma solve problems involving N2L: F=ma that every force has an equal and opposite reaction force (N3L) recall and use “extension” motion formulae how gradient of disp-time graphs and velocity-time graphs describe motion rearrange formulae to make a different variable the subject of the formula: average speed and velocity, acceleration, F=ma, extension motion formulae. apply and use extended motion and other formulae to calculate aspects of an object’s motion interpret motion graphs – displacement-time and velocity-time to find average velocity and acceleration Extending and Refining Knowledge: what can I do to show my understanding? o Comparing o Classifying Contact and non-contact forces. Balanced and unbalanced forces. Mass and weight. Inertia and momentum. Forces as contact or non-contact. Forces as balanced or unbalanced. Motion as uniform or non-uniform.