Grade 12 Physics Equations Worksheet
A worksheet for Grade 12 Physics students focusing on fundamental equations in mechanics, electromagnetism, and modern physics.
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Grade 12 Physics Equations Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following equations represents Newton's Second Law of Motion?
E = mc²
F = ma
V = IR
p = mv
2. The equation for the kinetic energy of an object is:
PE = mgh
W = Fd
KE = ½mv²
P = W/t
3. The equation for electrical power is P = .
4. According to Planck's equation, E = , where h is Planck's constant and f is frequency.
5. The Universal Law of Gravitation is given by F = G(m1m2)/ .
Match each equation to its corresponding physical principle or quantity.
6. F = qvB
a. Ohm's Law
7. λ = h/p
b. Magnetic force on a charge
8. V = IR
c. De Broglie Wavelength
9. State the meaning of each variable in the equation Q = mcΔT. What physical phenomenon does this equation describe?
10. Derive the equation for centripetal acceleration (a = v²/r) from the definition of acceleration and uniform circular motion concepts.
11. The equation E = mc² implies that mass and energy are interconvertible.
True
False
12. Kirchhoff's Current Law states that the sum of currents entering a junction equals the sum of currents leaving it.
True
False