OCR Physics P4,5,6. 1.0 / 5 based on 1 rating ? PhysicsP4, P5, P6.GCSEOCR Created by: zo26blueCreated on: 14-06-16 15:49 Acceleration is... Unbalanced forces. 1 of 11 Why does air bags and crumple zones reduce the risk of injury?I It slowly reduces momentum. 2 of 11 How do you calculate momentum? Mass X Velocity 3 of 11 An interaction pair is... A set of forces that exert a force on one another. 4 of 11 How do you find the acceleration on a distance-time graph? You spot a positive curved line. 5 of 11 Static electricity is responsible for... Bad hair days. 6 of 11 The slope of a voltage-current graph shows... Resistance 7 of 11 Magnetic fields make current-carrying coils... Turn 8 of 11 Radioactive elements emit... Ionising radiation. 9 of 11 What is a half-life? The time taken for half of the radioactive nuclei present to decay. 10 of 11 Ionising radiation CANNOT be used for: Prevent UV rays. 11 of 11
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