Hai đội kéo co đội thứ nhất kéo xe với lực tổng cộng là 1450N đội thứ hai kéo dây với lực kéo là bao nhiêu biết rằng dây đứng yên

i am single too don't feel bad

measuring things 1 litre of water

a. are

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards