pulled
A block of mass \( 4 \mathrm{~kg} \) is pulled along a smooth inclined plane of inclination \( 30^{\circ} \) with constant velocity \( 3 \mathrm{~m} / \mathr. A block of mass \(.
A block of mass \( 4 \mathrm{~kg} \) is pulled along a smooth inclined plane of inclination \( 30^{\circ} \) with constant velocity \( 3 \mathrm{~m} / \mathr. A block of mass \(.
