1. Which man has to pull harder?

2. Which man has to pull harder?

3. If the upper wheel goes in the direction shown, in which direction will the lower wheel
go?

4. Which is the better way to lift the shovel?

5. Which bell will have the higher note?

6. Which ounce of ice will cool a drink more quickly?

7. With which windless can a man lift the heavier weight ?

8. Which man will have to pull harder in order to move the load ?

9. Which tug will be more easily handled?

10. Which way should the driver first turn his front wheels to back the trailer in the direction
shown ?