Sled going down is in motion
Sled hitting rock is unbalanced
He flew because the of the sudden stop threw them off
An object on the moon is 1/6 of the weight of an object on Earth
To find the answer to your question, divide the number of N on Earth by 6, 6N / 6 = 1N
Hope this helps!
answer a) the existence of isomers is a reason for the large number of carbon compounds