A flat rail road car is accelariting along the positive x-axis with an acceleration a_(p). A sphere is placed over the car. The friction between the car and the sphere is not sufficent to support pure rolloing of sphere. The correct statement is

A flat rail road car is accelariting along the positive x-axis with an

1.	A flat rail road car is accelariting along the positive x-axis with an acceleration a_(p). A sphere is placed over the car. The friction between the car and the sphere is not sufficent to support pure rolloing of sphere. The correct statement is
Answer» The SPHERE will slip and force of FRICTION on sphere is ALONG -x direction The sphere will slip and force of friction on sphere is along +x direction Acceleration of sphere is along -x direction None of the above Answer :B