You are driving down the street and your car suddenly runs out of gas. you and your friend are forced to push your car to the nearest gas station. if you are pushing with a force of 20. n and your friend is pushing with a force of 40. n, while the rolling friction from the car is 2n, what is the net force of the car?

Idon’t quite understand this problem

Ineed the answer to question 1 , i’m desperate

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom