What are the 4 forces that are at work within the nucleus of an atom

The bent rod is supported by a smooth surface at b and by a collar at a, which is fixed to the rod and is free to slide over the fixed inclined rod. suppose that f = 130 lb and m = 400 lb⋅ft.

What determines the ideal mechanical advantage of a pulley?

Describe how the composition of gases changes as you travel up through Earth's atmosphere.

How do I find deceleration

The 4.0-kg head of an ax is moving at 36 m/s when it strikes a log and penetrates 0. 03 m (3 cm) into the log. What is the average force the blade exerts on the log?

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?