Both portions of the rod ABC are made of an aluminum for which E = 70 GPa. Given: P = 4.5 kN. Problem 02.019.a - Deformations in a stepped shaft loaded in tension and compression Determine the value of Q so that the deformation at A is zero.

Answer is 4500 N.

Refer below for the explanation.

Explanation:

Refer to the attached pictures.

unlike the threaded fasteners which are used to clamp the machine members, power screws are used to transmit power. common applications of power screws are: screw jacks: to lift weight. lead screw of lathe: for axial movement of tool and its precise positioning.

the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only