A crate falls from a helicopter and lands on a very deep dirt of snow. the snow slows down the crate and eventually brings it to a stop. During the time that the crate is moving down the snow.
1) Compare the magnitude of the force by the snow on the crate to the magnitude of the force by crate on the snow.
Is the correct answer equal due to 3rd law?
a window washer stands on a platform that is connected at the top by a rope that goes up to a pulley then back down to attach to the platform . the platform and window washers together have mass 120 kg and weight of 1200 1) What downward force should the window was he apply to the rope if her wants to accelerate upward 1 m/s^2?
1 answer