1) The SI unit for Mass is known as: a) Mole b) Joule c) Newton d) Kilogram 2) The SI unit for Weight is known as? a) Mole b) Joule c) Newton d) Kilogram 3) The SI unit for amount of substance is the? a) Mole b) Mass c) Newton d) Kilogram 4) Which of these is a formula involving mechanical Power? a) P= V x R b) P = Work Done x Time Taken c) P = I2 V, P = V2 /I d) P = Work Done / Time Taken 5) Which formula has been correctly transposed in order to work out the Mass of an object? a) F = m x t b) M = F x a c) M = F/m2 d) m = F/a 6) The amount of matter that an object contains is known as? a) Perimeter b) Area c) Volume d) Mass 7) The principles of electron theory state that electrons? a) are heavier than neutrons b) are attracted by electrical forces c) have no total charge d) are held still by kinetic energy 8) When current passes through a conductor, this causes the atoms to vibrate. What effect does this cause? a) noise effect b) jumping effect c) magnetic effect d) heating effect 9) The amount of 3-dimensional space an object occupies is better known as ? a) Area b) Circumference c) Volume d) Perimeter 10) Work done is calculated by: a) distance x time b) distance per second x mass c) force x velocity d) force x distance 11) Which of the following would be different on the moon? a) Mass b) Length c) Weight d) Time 12) Two cogs ( A & B) are driven by the same pulley. If cog A is twice the size of cog B, which of the following is true? a) Cog A will turn twice as fast as Cog B b) Cog A and Cog B will turn at the same rate c) Cog B will turn twice as fast as Cog A d) Cog A will increase and Cog B will turn at the same rate 13) If an electrician tool box which had a mass of 5 KG, was raised 10 M, work out the Work done? a) 50 Joules b) 490.5 Joules c) 490.1 Watts d) 50 Watts 14) If a car (200 Kg) accelerates with a value of 5 M/S 2, work out the Force involved.  a) 40 Kg b) 1000 Newts c) 1000 N d) 100 N 15) If a generator is fed 5kW and produces 3kW, work out its efficiency a) 109% b) 91% c) 166% d) 60% 16) If a motor manages to push 100 kg of water up a 20m hill in 10 seconds, work out how much power it uses? a) 1.9 kW b) 2000W c) 200 W d) 19620W

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