Homework Statement
A man pushes a box full of toys that has a mass of 12kg across a floor with a force of 60 N. The box of toys and the floor have a kinetic coefficient of friction of 0.5.
What is the acceleration of the box?
Homework Equations
F=ma
The Attempt at a Solution...
Homework Statement
Two 0.25 kg blocks are connected by a thread that passes over a frictionless pulley. The thread has no mass, and no friction. The two blocks are in balance. If a third block that weighs 0.20 kg is put on one of the blocks, then what is the acceleration of the 0.20 kg block...
Homework Statement
A block is placed against the vertical front of a cart. The coefficient of static frction between the block and the cart is \mus. What acceleration must the cart have in order that the block does not fall? How would an observer on the cart describe the behavior of the...