Question 2 [10 points) Saved Whiplash injuries (Figure 1] during an automobile accident are caused by the inertia of the head. If occupants of moving car are wearing a seatbelt, their body will tend to move with the car seat. However, their head is free to move until the neck restrains it. causing damage to the neck. Whiplash gure 1: Whiplash injury Figure (3) and Figure (b) shows a sequence of head and neck motion for passenger in a auto accident. One image corresponds to head-on collision and other to rear-end g a a. Time I- g a so Which statement (5) below is correct ? collision. 0 Figure (a) represents front end collision 6) Figure (b) represents rear end collision 0 Figure (a) represents rear end collision 0 All options are incorrect Question 3 [5 points] What will be the slope of graph below yield? F . TI Force vs Acceleration 0.5 DAB 0.4 U35 2 u.3 E D.25 J g u.2 0.15 ll] [105 0 0237 519 0.5112 0.759 0.889 Acceleration a lmlsll L' ' 'J O Gravity 0 Velocity 0 Mass O Acceleration Question 5 (5 points} Which of the forces in diagram below is the resultant force? Question 6 (5 points} What is the net force exerted by all the human beings in image below ? O 300 Newton 290Kg O 300 Kg 0 290 Newton Question 7 (10 points) Planet Acceleration clue to graVIty In \"/52 Mercury 3.? Venus 8.87 Earth 9.81 Mars 3.72 Jupiter 24.79 Saturn 10.44 Uranus 8.87