Tiêu đề Chapter_9_Force and laws of motion.pptx ✅

FORCE AND LAWS OF MOTION

REST → MOTION 2. MOTION → REST 3. CHANGE IN SPEED 5. CHANGE IN SHAPE 4. CHANGE IN DIRECTION By stepping brakes / accelerator speed changes The player hits the ball to change the direction. The potter is moulding the clay. The ball is caught by the fielder When the ball is kicked ball moves. How do you know there is force ? Result FORCE (brakes / accelerator) is used to change the speed. EFFECTS OF FORCE EFFECTS OF FORCE FORCE (hit) is used to change the direction. FORCE (mould) is used to change shape FORCE (Kick) is used to change from rest to motion FORCE (caught) is used to change from motion to rest By its effects effects So, the different effects of force are…. Can force be seen or tasted??? NO!!!