Home Kinetic Energy Kinetic energy, with any reference, must be (a) zero (b) positive (c) negative (d) both (b) and (c) Kinetic energy, with any reference, must be (a) zero (b) positive (c) negative (d) both (b) and (c) Ruhul Amin Alig (b) K. E = 1 /2 mv² It is always positive . Tags Class 11 | Physics | chapter 6 | WORK ENERGY AND POWERKinetic Energy Facebook Twitter Whatsapp Newer Older