For each quantity listed, indicate dimensions using force as a primary dimension, and give typical SI and English units: (a) Power (b) Pressure (c) Modulus of elasticity (d) Angular velocity (e) Energy (f) Momentum (g) Shear stress (h) Specific heat (i) Thermal expansion coefficient (j) Angular momentum

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

What are the factors that affect the resistance of a wire?

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve