1. Which pipe contains the cooler water?

2. Which wheel is more likely to fly apart if it is spun at high speed?

3. Which man has to use more force to raise the weight?

4. In which position is there more strain on “x”?

5. Which will carry more water, the two pipes in A or the pipe in B ?

6. Which one piece of chain will hold up the sign

7. If the left-hand gear moves in the direction shown, in which direction will the
right-hand gear move?

8. At which pint in the ball going faster ?

9. In which case will the water splash more

10. In which direction will the boat go faster?