shows a steadily runways); sticky tape; increasing velocity – scissors; plain paper; rulers acceleration. P2a Resultant P1.12 Recall Newton’s first law and 1) Students work in Students investigate forces Find images of objects forces use it in the following groups to write down five acting on objects.. stationary and in situations: things they remember motion on the internet a where the resultant force on about forces and their or in books. Show them Equipment: wooden block with a body is zero i.e. the body is effects. to students, and ask hook for force meter; large moving at a constant velocity sheet of sandpaper; masses students to describe the or is at rest types of forces acting 2) Have ready a large (sufficient to give different b where the resultant force is on the objects and the beaker of water and a readings on force meter when not zero i.e. the speed and/or directions in which they foam or soft ball that will the block is dragged along direction of the body changes are acting. float.Hold the ball in your different surfaces); force meter; hand. Float the ball in the string; large beaker of water; water. Ask for volunteers two objects small enough to fit Digital: Different forces to come to the front of in beaker, one of which should presentation the class and make a float and one sink sketch of the ball with force arrows (equal and opposite). P2b Newton’s P1.12 Recall Newton’s first law and 1) Fill a balloon with Students work together in Set up a glider on an First law use it in the following helium and tether it to a groups of to apply multiple air track with elastic situations: weight. Ask students to forces to a block, work out the bands at both ends. a where the resultant force on work in pairs to describe resultant and predict its effect Show students the a body is zero i.e. the body is the forces on the balloon on the movement of the block. apparatus without the moving at a constant velocity while it is tethered, and air on and ask them to or is at rest to describe what would Students should determine that predict what will b where the resultant force is happen if the balloon is happen if you push a when the total force on each not zero i.e. the speed and/or released from the weight. glider. Then explain side is equal, the resultant is
shows a steadily increasing velocity – acceleration. runways); sticky tape; scissors; plain paper; rulers P2a Resultant forces P1.12 Recall Newton’s first law and use it in the following situations: a where the resultant force on a body is zero i.e. the body is moving at a constant velocity or is at rest b where the resultant force is not zero i.e. the speed and/or direction of the body changes 1) Students work in groups to write down five things they remember about forces and their effects. 2) Have ready a large beaker of water and a foam or soft ball that will float.Hold the ball in your hand. Float the ball in the water. Ask for volunteers to come to the front of the class and make a sketch of the ball with force arrows (equal and opposite). Students investigate forces acting on objects.. Equipment: wooden block with hook for force meter; large sheet of sandpaper; masses (sufficient to give different readings on force meter when the block is dragged along different surfaces); force meter; string; large beaker of water; two objects small enough to fit in beaker, one of which should float and one sink Find images of objects stationary and in motion on the internet or in books. Show them to students, and ask students to describe the types of forces acting on the objects and the directions in which they are acting. Digital: Different forces presentation P2b Newton’s First law P1.12 Recall Newton’s first law and use it in the following situations: a where the resultant force on a body is zero i.e. the body is moving at a constant velocity or is at rest b where the resultant force is not zero i.e. the speed and/or 1) Fill a balloon with helium and tether it to a weight. Ask students to work in pairs to describe the forces on the balloon while it is tethered, and to describe what would happen if the balloon is released from the weight. Students work together in groups of to apply multiple forces to a block, work out the resultant and predict its effect on the movement of the block. Students should determine that when the total force on each side is equal, the resultant is Set up a glider on an air track with elastic bands at both ends. Show students the apparatus without the air on and ask them to predict what will happen if you push a glider. Then explain
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