A single fixed pulley changes the effort force in direction. true or false

The pressure inside a water droplet is higher than the surroundings, this is related to surface tension.

How does the structure of the alveoli relate to its function in the lungs

How are limiting factors related to carrying capacity

Examples of energy transfers include collisions in chemical and nuclear reactions. True False

True or False: The average speed of an object is always equal to the magnitude of the average velocity of the object. If False, then give an example of motion where this is false. If True, then explain why.

If you jump vertically while inside a fast-moving train that is slowing down, you land: a. a bit behind your original position. b. at your original position. c. a bit ahead of your original position.

In the sky, you see a red star and a blue star. Which one is hotter? A. The red star B. They are probably the same temperature C. The blue star D. The answer will depend on how far away the stars are

Describe the relationship between force and mass when the acceleration of two objects remain constant

It is epistemically possible that a completed physics might include which of the following propositions? O Souls and other spiritual substances exist O God created the universe O Matter is unreal O All of the above

The weight of an object varies inversely with the second power of the distance from the center of Earth. The radius of Earth is approximately 4000 miles.