Can anyone give me an example sentence of electric forces

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.