1. which of these is necessary for a reasonable order-of-magnitude estimate of the speed of a falling object? a. round all numbers to the nearest whole number. b. have a correct and exact value for the distance of the fall. c. use numbers for the time and distance of the fall that are reasonable even if inexact. d. assume that any falling object takes about a second to reach the ground

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.