Two stepped bar is supported at both ends. At the join point of two segments, the force F is applied(downwards).Calculate reactive forces R1 and R3 at the supports. What is value of absolute maximal stress? Choose one answer nearest your result.

given= d1=10mm d2=20mm L1=20mm L2=10mm E=200GPa F=20kN

When using the ohmmeter function of a digital multimeter, the leads are placed in what position relative to the component being tested? a. parallel b. control c. series d. line

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Prove the equivalence between the two statements of the 2nd law of thermodynamics (i.e., a violation of one statement leads to the violatio the other statement)