Would the inertial balance successfully measure mass in the space Shuttle when it is in orbit around the Earth? Why? What about a triple beam balance?

Drag each item into the proper state of matter category.

In the first law of thermodynamics, triangle e=q-w, what does q stand for

An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?