Question

if an object is moving at a constant speed in a changing direction, What is the acceleration of the object (zero or not zero)​

Answer 1

• We know, acceleration is the change of velocity by time.
• Velocity is the speed of an object which also indicates the direction.
• Hence, acceleration is both dependant upon the speed as well as the direction.
• So, if an object is moving at a constant speed in a changing direction, the acceleration will also change. It will not be zero.
• An example is that of uniform circular motion.

Answer:

if an object is moving at a constant speed in a changing direction, the acceleration of the object will not be zero.