Pulley (First Order) Lecture by Ms. Apurva Vashishth.

The power arm will always be of the same length as the weight arm in a pulley of the first order. In other words, the effort must be equal to the …

Projectile Motion (Equations) Lecture by Ms. Apurva Vashishth.

Maximum range: For the range to be max, dsin2α/dα = 0 ,α=450 Thus, Rmax= u2/g Maximum height: Vy2=u2-2gH H= (u2sin2α)/2g