The ideal mechanical advantsge of a pulley system is equal to the

distance the load has to move

length of the rope

number of rope segments supporting the load

weight of the object being lifted

A ball is moving upwards and to the left. The net forces acting on it are also upwards and to the left. Choose 1 answer: Choose 1 answer: (Choice A) A True (Choice B) B False (Choice C) C Not enough information

Hurry hurry! which type of friction acts on an object that is not moving? a. static friction b. fluid friction c. sliding frictiond. rolling friction

A 50 kg woman and an 80 kg man stand 12.0 m apart on frictionless ice. (a) How far from the woman is their CM? m (b) If each holds one end of a rope, and the man pulls on the rope so that he moves 1.

What are the consequences of fertilizing chemicals in water?

An object will appear the color that is Refracted Reflected Longest Separated

Lisa has three classes that each last 50 minutes qhat ia the total nuber of minutes of minutes of the three classe?

Which has a greater speed a heron hat travels 600m in 60 seconds or a duck that travels 60 m in 5 seconds? Explain

A machine shovel moves dirt at the rate of 1,100 pounds of dirt 1 foot in 1 second. How many horsepower is this?

Two descriptions about physical quantities are given below: Quantity A: It is a force. Quantity B: It changes when the object travels from Earth to Earth's moon. What quantities are these most likely describing? A.

How does the tilt of Earth's axis affect how the sun's rays strike Earth?