A ball hangs from a string inside a rail road car moving along a straight track. The string is observed to be inclined towards the rear of the car making a constant small angle with the vertical. It shows that the car is

A ball hangs from a string inside a rail road car moving along a strai

1.	A ball hangs from a string inside a rail road car moving along a straight track. The string is observed to be inclined towards the rear of the car making a constant small angle with the vertical. It shows that the car is
Answer» MOVING with a uniform acceleration moving with a uniform velocity moving with a uniform RETARDATION moving with an acceleration which is INCREASING uniformly Answer :A