1. An object dropped near the earth's surface falls 4.9m in the first second. If the moon's gravitational pull is about 1/6 that of the earth's, how long would it take the same object to fall the 4.9m?
2. A 5kg block is pulled westward across a frictionless horizontal surface by
a 30N force applied at 87° angle above the horizontal?
a. What is the block's acceleration?
b. What is the normal force?
