How do constructive and destructive forces change earth

What is the mechanical advantage of the screw shown below?

A helium atom consists of two protons, two electrons, and two neutrons. In the helium atom, the strong force is a fundamental interaction between the (1) electrons, only (2) electrons and protons (3) neutrons and electrons (4) neutrons and protons

A 100-meter sprint is a race using only the straight side of a racetrack. A 400-meter sprint is a race that makes one complete lap around a racetrack. Why are velocity and speed the same for 100-meters sprint but not a 400-m sprint?

There are infinite black and white dots on a plane. Prove that the distance between one black dot and one white dot is one unit.

The person holding the bow and arrow has now let go. The arrow shoots forward toward its target. What type of energy is being described? A. kinetic B. potential C. chemical OR D. heat

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.