A metre scale has been suspended horizontally in its middle. A load of 10 Newton is placed at one end of it. At what distance 4 Newton effort be placed to balance it.

When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great. d) about 10 times as great.

Explain why you think this diagram shows what happened to the carbon in the biodome.

Notice how they put future which of the clouds shown would indicate a possible future rain storm? a) b) c) d)