FIGURE 4 shows a man doing two stages of a pull up. In both diagrams the man is stationary. FIGURE 4

Complete the sentence.
Choose the answer from the list. [1 mark]
equal to less than more than
In stage 1 the downwards force of the man on the bar is the upwards force of the bar on the man.

Why are graphs useful when interpreting data

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?