Answer:
work done is the product of force and distance moved in the direction of a force
Not having clean water to drink or bath. Also some organizations that live in the water might die because the water is polluted and that would be toxic form them
The answer is C, light cant pass through an opaque object
1. We can use the principle of moments to ensure that there is no net moment, that is, m*g*d = M*g*l, where m is the mass of the weight, d is the distance of the weight to the pivot, M is the mass of the counterweight, l is the distance of the counterweight from pivot, and g is the gravitational constant.
2. A question that could be asked is what kind of weights is the engineer expecting the crane to lift, that would determine the counterweights used.
Answer:
wind has two important things that is direction and speed.