When you push a child on a swing, you are doing work on the child because
a. you are pushing against the force of gravity

b. you are allowing the child to continue swinging

c. the child is moving at a constant velocity

d. the child is moving in the direction you are pushing

ur answer is A or also known as

When you push a child on a swing, you are doing work on the child because  you are pushing against the force of gravity

hope this helps :)

weather forecasts are done by collecting data about the current state of the atmosphere mainly the temperature, humidity and wind and using meteorology, to determine the atmosphere that evolves over time. the h and l mean the high and low pressure. the red strip is a warm front. the blue strip is a cold front. the blue and red strip is a stationary front. the purple strip is a occluded front.

explanation:

object 2 because all the other ones are wrong