For numbers 6 to 8, answer the worded problems. Show your solution.
6. A5 kg cart is being pushed with a force of 20 N. Assuming there is no friction, what is the acceleration of the cart?
7. A 12 kg cart is accelerated at 3 m/s². What is the force acting on the cart?
8. A force of 75 N is applied to a block, causing it to accelerate at 5 m/s². What is the mass of the block?