A ball moves on a frictionless inclined table without slipping. The work done by the table surface on the ball is

Question

A ball moves on a frictionless inclined table without slipping. The work done by the table surface on the ball is (A) positive (B) negative (C) zero (D) none of these

Tardigrade Admin · Accepted Answer

Angle between normal reaction N and displacement S is 90°. ∴ W = 0

Q. A ball moves on a frictionless inclined table without slipping. The work done by the table surface on the ball is

positive

negative

zero

none of these

Angle between normal reaction $N$ and displacement $S$ is $9 0^{°} .$
$∴ W = 0$

Q. A ball moves on a frictionless inclined table without slipping. The work done by the table surface on the ball is

positive

negative

zero

none of these

Angle between normal reaction N and displacement S is 90°. ∴W=0

Angle between normal reaction $N$ and displacement $S$ is $9 0^{°} .$
$∴ W = 0$