Question

hi

physics question..

Answer 1

☑️1)as a result of the hit the ball moves in the direction of force .Therefore, the work done is positive .

☑️2) in this again, the force and displacement are in same direction. Therefore ,the work done is positive .

☑️3)The nail moves,in the direction of force applied by the hammer .The work done is positive .

☑️4)The force of friction acts in a direction opposite to the direction of displacement of car .Work done is positive.

☑️5)The bell bar moves upward in the direction of the force applied by the weight lifter .work done is positive.

☑️6)The displacement of the tray is perpendicular to the direction of force acting on it . Therefore , no work done on it.


❤️☺️⬆️⭐✌️


hope it will help you ❎⛔

Answer 2

Hey mate.....

here's ur answer......

Hope it helps.....

Be brainly....