81. What is the process by which an electrically neutral object becomes charged by touching a charged object?
a) Conduction
b) Induction
c) Radiation
d) Ionization
Answer: a) Conduction
82. What is the formula for acceleration?
a) a = Fd
b) a = QV
c) a = v/t
d) a = Δv/Δt
Answer: d) a = Δv/Δt
83. Which law states that the force acting on an object is equal to its mass times its acceleration?
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Law of Conservation of Energy
Answer: b) Newton’s Second Law
84.What is the formula for power?
a) P = W/t
b) P = Fd
c) P = QV
d) P = mgh
Answer: a) P = W/t
85. What is the process by which a gas turns into a liquid?
a) Vaporization
b) Sublimation
c) Melting
d) Condensation
Answer: d) Condensation
