Calculate the force required for the Grinch's dog, Max, to pull the loaded sleigh back up the mountain

Physics problem involving a cliff railway or funicular

What happens to the sled after one child jumps out and the same force is applied?

Calculating the coefficient of static friction between sandpaper and carpet

Calculate the acceleration on a box which is being pulled by a rope at an angle

Pulling a block with a force which has both a horizontal and a vertical component

Mildred puts on a pair of ice skates, and Gertrude pulls her across the ice rink

Calculate the acceleration of a block when it is on a rough patch of a surface