Fig. 2.1 shows a man of mass 80kg standing in a lift (elevator). [Figure 2.1] The gravitational field strength g is 10N/kg.

1. (a)Calculate the weight of the man. weight =[1]
2. (b)(i)The lift accelerates upwards uniformly at 0.50m/s2. Calculate: the resultant upward force on the man resultant force =[2]
3. (b)(ii)the force exerted on the man by the floor of the lift. force =[1]
4. (c)The lift accelerates upwards uniformly from rest for 4.0s and then decelerates uniformly to rest in 4.0 s. The total distance travelled is 8.0 m. On Fig. 2.2, sketch the distance-time graph for this journey. [Figure 2.2][3]

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