Sliding Trophy!
Find the the maximum angle that the shelf can form with the horizontal before the trophy starts sliding.
Ice Block on a Hill!
If all the friction work is dissipated as heat, calculate the fraction of ice that melts.
Man Overboard!
What is the coefficient of static friction between the deck and the captain's shoes?
The Box Ghost!
A box begins sliding down a ramp.
True Love!
How much force does Josie need to push Sean up the ramp at a constant velocity?
Race Car!
At what angle should the bank be constructed to ensure the race car remains on the race track?
Like Mother Like Daughter!
A mother keeps her daughter close while skiing for the first time. Calculate the tension in the rope connecting the pair.