Which best explains parallel forces? left and right forces that can be added together right and upward forces that cancel each other out addition of parallel forces that cannot result in a negative force left and downward forces that cancel each other out

At the peak of a Ferris wheel ride the centripetal acceleration is downwards, which is parallel to gravity, but opposite the normal force. Because greater speed means greater centripetal acceleration, which means a larger net force, as the speed increases the normal force must square

Directly after increasing the pressure, what is the relationship between Q and K_(c) a) Qgt K_(c) b) Q=0 C) Q=K_(c) d) Qlt K_(c)

From what material did the moon form? material from Earth material from the Sun material from Mars material from comets

Images sent back to Earth from the Hubble telescope were the first to show the features of the moon sun and its planets. planet Earth from space. farthest reaches of the universe

4. (2 points) Explain the meaning of Gibb's free energy. How does it relate to the Second Law of Thermodynamics?

The center of gravity should be low during acceleration while running True False

Males have a higher center of gravity than females. True False

The center of mass does not change with a change in body position. True False

Select the statement that accurately describes the objects in a planetary system. Planets and moons orbit stars. Planetary systems only consist of 12 or more planets and their moons. Planets orbit moons and moons orbit planets. Moons and planets are part of planetary systems. Moons orbit planets and planets orbit stars. Moons and planets are part of planetary systems. Moons orbit planets and planets orbit stars. Planets are part of planetary systems. Moons are considered their own system.

Hot Questions

Newton's laws of motior fail: when dealing with extremely low masses. for objects with extremely large masses. when using atomic clocks rather than stopwatches. at speeds significantly less than the speed of light. in helping us understand most of the everyday world.

A radioactive substance decays exponentially. A scientist begins with 140 milligrams of a radioactive substance. After 24 hours 70 mg of the substance remains. How many milligrams will remain after 27 hours? $\square $ mg Give your answer accurate to at least one decimal place Question Help: Video

The branch of biomechanics that deals with the aspects of moving systems is known as dynamics. kinetics. mobility. kinematics.

When a forklift is loaded, where is its center of gravity? A. Under the operator B. At the center of the forklift C. Varies based on the combined centers of gravity of the forklift and the load D. At the center of the forks

Which of these statements is most likely correct about a weak nuclear force? (2 points) It binds electrons and protons. It is a repulsive force. It is an attractive force. It binds protons and neutrons.

Which side of the electromagnetic spectrum has shorter waveiengths? $\square $ Which side of the electromagnetic spectrum has higher energy? $\square $ Which side of the electromagnetic spectrum has higher frequencies? $\square $ blue

Living and Nonliving substances obey all of the answers the 1st law of thermodynamics. the 2nd law of thermodynamics. the law of gravity.

Physics is explicitly involved in studying which of these activities? A. the mixing of metals to form an alloy B. the metabolic functions of a living organism C. the motion of a spacecraft under gravitational influence D. the depletion of the atmospheric ozone layer due to pollutants E. the killing of cancerous cells by radiation therapy

Outdoors, shadows are longest at what time of day? Midnight Sunrise and sunset Noon 10 a.m.

Whose laws of motion became the basic building blocks for our understanding of the functioning of the universe? Johannes Gutenberg Martin Luther Isaac Newton Francis Bacon Rewatch