OCR 21st Century - Physics P4 Module test 1 A test on the OCR 21st Century science module P4 to help you revise. 4.0 / 5 based on 14 ratings ? PhysicsForces and MotionGCSEOCR Created by: jimmyjams16Created on: 22-11-11 21:49 What is the equation for Speed? Distance/Time 1 of 9 What is the equation for work done? Force x Distance 2 of 9 What is velocity? The speed of an object in a certain direction 3 of 9 What is friction? the counter force an object usually experiences when traveling along a surface 4 of 9 What unit is momentum usually measured in? Kg m/s 5 of 9 What is the equation for momentum? Mass x Velocity 6 of 9 If a car's engine exerts a bigger force forwards than the drag force backwards, what will happen? The car will accelerate 7 of 9 Jet Aircraft part A. - If a jet aircraft is moving at a constant speed and altitude, what factor applies to all of the forces? The resultant forces are equal to the relevent acting forces 8 of 9 Jet Aircraft part B. - Accordingly to part A. If the weight of the aircraft is 250,000N, what is the upwards force (the lift) Equal - 250,000N 9 of 9
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