1.14 Which of the following is an example of a force without touching? A A boy pushing a trolley. B The mass of a car. C с A magnet attracting a nail. D A jug of wale;​

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.

Why is a noble gas different from other elements