A laboratory cart is pulled along a straight track
PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion
Problem
A laboratory cart is pulled along a straight track. If the magnitude of the net external force on the cart is tripled at the same instant that the cart’s mass is also tripled, what happens to the magnitude of the cart’s acceleration?
(a) It doubles.
(b) It remains unchanged.
(c) It triples.
(d) It is reduced to one-third its original value.