Podcast
Questions and Answers
Which of the following is NOT a fundamental force in physics?
Which of the following is NOT a fundamental force in physics?
- Electromagnetic force
- Weak nuclear force (correct)
- Gravity
- Strong nuclear force
What is the SI unit for electric charge?
What is the SI unit for electric charge?
- Ohm
- Volt
- Ampere
- Coulomb (correct)
What is the formula for calculating kinetic energy?
What is the formula for calculating kinetic energy?
- E = mc²
- E = -k∆x
- E = ½mv² (correct)
- E = hf
Flashcards
Weak Nuclear Force
Weak Nuclear Force
One of the four fundamental forces in nature, responsible for radioactive decay and interactions of subatomic particles.
Coulomb
Coulomb
The standard unit of electrical charge, representing the charge transported by a constant current of one ampere in one second.
Kinetic Energy Formula
Kinetic Energy Formula
The energy an object possesses due to its motion, calculated as one-half times the mass multiplied by the velocity squared: E = ½mv².
Study Notes
Fundamental Forces in Physics
- There are four fundamental forces in physics: gravity, electromagnetism, strong nuclear force, and weak nuclear force.
SI Units in Physics
- The SI unit for electric charge is the Coulomb (C).
Kinetic Energy
- The formula for calculating kinetic energy is KE = 1/2mv^2, where m is the mass of the object and v is its velocity.
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