Question

A student does 300 joules of work in pushing a cart 3.0 meters due east and then does 400 joules of work pushing the cart 4.0 meters due north. The total amount of work done by the student is

Answer 1

300. J + 400. J = 700. J.

Step-by-step explanation:

Answer 2

Work is a scalar quantity, not dependent upon direction. Use simple addition (not a vector sum) to calculate the total work done on the cart: 300. J + 400. J = 700. J.