Question: Question 7 1 pts A non-constant force is applied to a 40 kg object over a distance of 20 m. (See diagram.) How much work

Question 7 1 pts A non-constant force is applied to a 40 kg object over a distance of 20 m. (See diagram.) How much work does the force do? F(N) 0 5 10 18 20 25 30 35 d(m) 1205 805 1600 J 405 Oo Question 8 1 pts Find the magnitude of the average force (in N) needed to bring a 1,958 kg car to rest from a speed of 88 km/h ina distance of 158 m. Enter an integer. Round up or down correctly. Question 9 1 pts If the net work done on an object is negative, which of the following statements must be true? The object loses potential energy. O The object loses kinetic energy. O The object acquires negative kinetic energy. O The object gains kinetic energy. The object moves in the negative x-direction. The object gains potential energy

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