We’ve all had it happen, a cart is loaded up, you go to push it, and nothing. It ended up taking a lot more force to get the cart rolling than you thought it would. It’s not an incorrect estimation on your part; it’s most likely that casters on the cart are misapplied.
Simple caster solutions
First things first, try to lighten the load. Sometimes this is easier said than done. But, when you consider the consequences of pushing too hard, it may be worth two trips. If that’s not an option, we have some alternatives.