Answer the following

Exercises (c) Complete the following table. Section. A. Multiple Choice Questions Mass Force Acceleration 1. When a force is applied to an object, several effects are possible. Which of the following effects cannot occur? (i) 8 kg 80 N A The pressure on the object increases:. mom (ii) 200 N 2ms ? B The object rotates. . (iii) C The mass of the object decreases. 2g 10 cm s-2 D The object speeds up. 2. Which of the following is a vector quantity? A Time (2. (a) Name the SI unit of force. Energy (b) Discuss three common characteristic effects of a C Velocity force. D Temperature (c) A test car with a dummy driver of mass 60 kg was 3. The diagram shows four forces acting on a block. : 7 . propelled towards a rigid wall. If the speed of the What is the resultant force? dummy driver just before impact was.40 m's72, and the time between the collision and the dummy 3 N coming to rest was 0.10 s, calculate: (i) the average retardation of the dummy driver 2 N 7 N during impact, A zero B 5 N to left (ii) the average force acting on the dummy driver V C 6 N to right D. 11 N to right due to the impact. E 16 N to left