alleryWhich kinematic quantity remains constant for a body undergoing uniform circular motion along a circle?
AVelocity vector
BScalar speed
CForce direction
DAcceleration
Answer & Solution
Correct answer: B. Scalar speed
In uniform circular motion, scalar speed is constant while the velocity vector, acceleration vector, and net force continually change direction.
Keep practising General Science and Life Science
Browse all General Science and Life Science questions for RRB NTPC, or explore more Science topics.
Related questions
When a physical body moves in uniform circular motion, the acting centripetal force altersWhat dynamic physical quantity was referred to by Sir Isaac Newton using the Latin term moNewton's Third Law is directly related to the conservation of what quantity?In Newton's Third Law, the paired action and reaction forces always act uponNewton's Third Law states that every action force has an equal and oppositeIn classical mechanics, linear momentum is defined as the product of mass andAccording to Newton's Second Law, the rate of change of momentum of a body is proportionalIsaac Newton's First Law of Motion is universally known in classical mechanics as the law