The cart now moves toward the right with an acceleration toward the right of 2.50 m/s2. What does spring scale Fz read? Show your calculations, and explain.

Complete Question

The  complete question is shown on the first uploaded image

The spring scale reads  

Explanation:

From the question we are told that

      The first force is  

      The acceleration by which the cart moves to the right is  

      The mass of the cart is  m  = 3.231  kg

Generally the net force on the cart is  

This net force is mathematically represented as

So  

grav potential energy

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