1) Which of the following factors affect the acceleration of an object? a) mass b) tiredness c) distance d) speed e) force f) energy 2) What is the equation that links force, mass and acceleration? a) f= m/a b) f=m x a c) f = a/m 3) If you changed your location to the moon which of these will change? a) mass b) weight 4) What are the units for mass? a) N b) kg c) g d) m 5) What are the units for weight? a) N b) kg c) g d) m 6) When an object is falling, which force does the arrow down represent? a) air resistance b) friction c) weight d) gravity 7) When an object is falling, which force does the arrow up represent? a) air resistance b) friction c) weight d) gravity 8) What is the term for an object falling when both the upwards and downwards forces are balanced a) equilibrium b) constant speed c) terminal velocity 9) Which of these factors would affect the braking distance of a car? a) tiredness b) icy road surface c) looking at mobile phone d) worn tyres e) worn brakes f) taking drugs 10) Which of these factors would affect the thinking distance? a) tiredness b) icy road surface c) looking at mobile phone d) worn tyres e) worn brakes f) taking drugs 11) What kind of relationship between variables is Hooke's Law? a) linear b) directly proportional c) nonlinear d) inversely porportional

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