Work happens only when there is..., Force AND movement, movement only, force only, time, Which example shows work being done?, Pushing a wall, Holding a bag still, Lifting a box, Sitting down, What is the formula for work?, W = F + d, W = F x d, W = F : d, W = d ÷ F, The unit of work/energy is:, watt, joule, newton, meter, Power means:, How slow the work is done, How fast the work is done, The force only, The distance only, If F = 10 N and d = 5 m, the work done is:, 5 J, 50 J, 500 J, 15 J, A student does 200 J of work in 5 s. Power?, 20 W, 25 W, 40 W, 200 W, No work happens when:, The object moves, The object changes shape, There is force but no movement, There is movement but no force, Who has more power?, Student A climbs stairs in 4 s, Student A climbs stairs in 8 s, Both same power, Cannot be compared, A machine lifts 100 N through 2 m. Work done?, 20 J, 200 J, 500 J, 2 J.
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