Match the scientists given in Column ‘A’ with their inventions in Column ‘B’. (2 Points)

(a) A-4, B—1, C-3, D-2

(b) A-1, B—2, C-3, D-4

(c) A-3, B—4, C-2, D-1

(d) A-2 B—1, C-4, D-1

i don’t know what the answer is i wish i

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.