If an object weighs 80 Newtons, what force must be applied to the rope to raise the object when the mechanical advantage is four?

Which formula would you use to solve this problem?

One way that consumers can encourage the efficient use of energy by industries is to prevent boycotts of products produced by companies that are inefficient or wasteful in their energy use. Question 10 options: a) True b) False

Which element is stable and nonreactive? A. Chlorine (CI) B. Sulfur (S) C. Calcium (Ca) D. Krypton (Kr)

Which body system determines motor fitness skills by sending and receiving messages to and from the working muscles? A) circulatory system B) endocrine system C) muscular system D) nervous system

How can you use climatograph in a sentence? How can you use ecozone in a sentence?

A net force of 100 N is moving with an acceleration of 5m/s2. What is the mass of the object? A. 20 kg B. 95 kg C. 500 kg

A 2-kg object is dropped from a height of 1000 m. What is the force of air resistance on the object when it reaches terminal velocity

What is the approximate increase in size from a 1 w to a 2w carbon resistor?

I am looking for this answer : Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, make observations, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

A gas in a piston is compressed doing - 439 j of work, and its internal energy increases by 318 j. how much heat flows? (be careful with + and -. + w = expansion. + q = added, + u = temp goes up) (unit = j)

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.