How do you know if a force is going to be repulsive or attractive

Q: (a) 0-32 x 10-18 coulomb Can a body have a charge

A: Charge on a body can be negative or positive. A proton has charge of 1.6×10-19 Coulomb and electron…

Q: A particle starts from rest at xo (> 0) in an attractive k inverse-cube force field F = -–(k is a…

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Q: 8%) Problem 5: Two point charges totaling 6.5 pµC exert a repulsive force of 0.055 N on one another…

A: The force between two charges Q1 and Q2 kept at some distance d apart is given by-…

Q: An individual charged particle does not have its own electric field in the space sorrounding it. a.…

A: Given:- An individual charged particle does not have its own electric field in the space surrounding…

Q: What does an negative answer for electric force mean? A. Repulsion B. Attraction C. Other

A: The mathematical equation for calculating the electric force : F=KQ1Q1r2 Here, F is the electric…

Q: 2. The magnitude of the force of electrostatic repulsion between two small posi- tively charged…

A: In the given question, We have to determine the force of repulsion of ris increased .24m,.30m and…

Q: Why does a car always attract dust right after it is polished? (Note that car wax and car tires are…

A: Car is usually polished by rubbing it with a cloth. While rubbing, electron transfer occurs between…

Q: What mass would a pair of electrons have in order for their gravitational force of attraction to be…

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Q: force of 100 N is directed north on a -20 µC point charge. What is the magnitude and direction of…

A: Given Force F = 100 N Charge q = -20 μ C  = -20 × 10-6 C

Q: A downward electric force of 8.4 N is exerted on a -9.1 µC charge. Find the magnitude of the…

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Q: How can we use Coulomb’s law to calculate the force a positive charge exerts on a nearby negative…

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Q: 2. Why does a car always attract dust right after it is polished? ( Note that the car wax and car…

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Q: An electric field is 62 V/m at 22 degrees down from the due west with a displacement ( delta r ) of…

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Q: 3. Gravitational forces and electric forces are both a. Forces with attractive and repulsive…

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Q: Estimate how many electrons there are in your body. Make any assumptions you feel are necessary, but…

A: Let us assume that the mass of a human body is 70 kg and most of the atoms in his body have equal…

Q: An electron (-1.6x10-19 C) and a proton (-1.6x10-19 C) are separated by a distance of 2.7x10-12 m.…

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Q: Electric forces can be either repulsive or attractiv whereas gravitational force is always: O…

A: Electric force can be either repulsive or attractive where as gravitational force is always…

Q: Give a few characterstics of Static electricity. Explain What Happens When Amber is Rubbed with Wool…

A: Following are the characteristics of static electricity: (a) The effects of static electricity are…

Q: What is the dipole moment? explain in your own words. Why dipole-dipole interaction of molecules is…

A: In electromagnetic system, two equally charged or magnetized poles having linear or angular…

Q: Explain the differences between vacuum medium and water, in terms of the interaction energy of two…

A: To determine Difference between vacuum, water and air in terms of two charged particles.

Q: Detemine the maximum torque that the field can exert in a water molecule if it experiences a dipole…

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Q: Explain the difference between attractive and repulsive forces with regards to electrostatic forces

A: Explain the difference between attractive and repulsive forces with regards to electrostatic forces…

Q: Object A is neutral and object B carries a net charge. They are placed near each other on an…

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Q: Which one of the following statements best explains why tiny bits of paper are attracted to a…

A: Required reason behind attraction between tiny bits of paper and charged rubber rod.

Q: A force which is dependent on the attached electrical field it creates dipoles both the poles are…

A: Given The length of the separator is l=35 mm=35×10-3 m. The diameter of the dipole is d=56…

Q: Determine the electrostatic force between a nucleus, consisting of two protons, and one electron…

A: Given in question:      Charge on the nucleus(Qn)= +2×1.6×10-19 C…

Q: electron is moving along an electric field. If the initial K for its motion is > 0, characterize…

A: Electric field is the negative gradient of electric potential So electric potential decreases in…

Q: Elecric force between  a + 190 C charge and  a - 85 Ccharge is   A. Attractive.   B. Neither…

A: First charge = +190 C  Second charge = -85 C

Q: What does an positive answer for electric force mean? A. Repulsion B. Attraction C. Other

A: The positive answer for electric force means Repulsion. Now, why do I say so??? Force between two…

Q: Calculate the magnitude and determine the direction of the net electric force on the +3.0C charge…

A: Force between two charges F = kq1 q2 /r2  If two forces acts on point net force can be determined by…

Q: You have now learned two interpretations of electrical interactions 1) a charge in an electric field…

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Q: U =3m/s ge= -l,6.10 Son değiştirilme tarihi: 17:44

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Q: Your clothing tends to cling together after going through the dryer. Why? Would you expect more or…

A: The clothes cling together after spinning in a dryer because clothes are rubbing to each other in a…

Q: Two identical small spheres of mass 2.0 g are fastened to the ends of an insulating thread of length…

A: In this question we are given with two identical small spheres of mass 2 g that are fastened to the…

Q: Two small negatively charged objects (q=-20 µC; q,=-15 µC) each have a mass of 0.5g and are…

A: Given  The mass of charge q1 is m1 = 0.5 g = 0.5 x 10-3 kg. The mass of charge q2 is m2 = 0.5 g =…

Q: Two charged point particles both of mass m = 1 g and q = 1 µC are on a horizontal surface without…

A: since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: 1. In Coulornb's law, increasing the distance between particles by a factor cs 2 keeping all other…

A: Given: The distance is increased by a factor of 2.

Q: n of 2.5 nC is brought at point in an electric field and experiences a force of 1200 N. What is the…

A: Given values:- Charge,(q)=2.5 nC=2.5 x 10-9 C ----(1) [Using 1 nC=10-9 C] Force experienced,(F)=1200…

Q: Rub a comb through your hair and use it to lift pieces of paper. It may help to tear the pieces of…

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Q: Select the correct expression for the electrostatic force between an electron with the charge e and…

A: According to Coulomb's law, the magnitude of  electrostatic force between to charges when they are…

Q: What is the dipole moment? explain in your own words. why dipole-dipole interaction of molecules is…

A: In this problem, it is asking what is dipole moment? explain in your own words. why dipole-dipole…

Q: Would you feel any electrical effects if you were inside the charged sphere of a Van de Graaff…

A: A Van de Graaff generator is a device in which a belt is placed over two rollers, and the entire…

Q: SUPERPOSITION N PRINCIPLE Determine the net Q2 10cm- electrostatic force exerted 45° Q, by Q, and Q,…

A: r13= 102+102 cmr13=200 cmr13= 200 ×10-2mtanθ = 1010⇒ θ= tan-11 = 450

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.