A man is pulling a rope attached to a block on a smooth horizontal table. The tension in the rope will be the same at all points

Question

A man is pulling a rope attached to a block on a smooth horizontal table. The tension in the rope will be the same at all points (A) if and only if the rope is not accelerated (B) if and only if the rope is massless (C) if either the rope is not accelerated or is massless (D) always.

Tardigrade Admin · Accepted Answer

If the rope attached to a block is massless or not accelerated then the tension in the string will be the same at all points.

Q. A man is pulling a rope attached to a block on a smooth horizontal table. The tension in the rope will be the same at all points

if and only if the rope is not accelerated

if and only if the rope is massless

if either the rope is not accelerated or is massless

always.

If the rope attached to a block is massless or not accelerated then the tension in the string will be the same at all points.