Among the following four groups of physical quantities, each quantity is a vector________
A. Displacement, Velocity, Acceleration
B. force, displacement, work
C. speed, acceleration, kinetic energy
D. Gravity, displacement, gravitational potential energy
Answer:A
Among the following four groups of physical quantities, each quantity is a vector________
A. Displacement, Velocity, Acceleration B. force, displacement, work C. speed, acceleration, kinetic energy D. Gravity, displacement, gravitational potential energy