Tutorial3

# Tutorial3 - Tutorial 3 MECH 101 Liang Tengfei...

This preview shows pages 1–6. Sign up to view the full content.

Tutorial 3 MECH 101 Liang Tengfei [email protected] Office phone : 2358-8811 Mobile : 6497-0191 Office hour : 14:00-15:00 Fri 1

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Outline Some typical problems from HW How to solve internal force? Joint problem
HW 1-Problem #1 4-53 . The tool is used to shut off gas valves that are difficult to access. If the force F is applied to the handle, determine the component of the moment created about the z axis of the valve.   l ll   M r F o  M r F lo  MM Start point O on the axis, end point on the line of application of the force

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
HW 1-Problem #2 4-108 . Replace the two forces by an equivalent resultant force and couple moment at point O . set F =75N R If you don’t move R to point O, there is no extra couple added on point O. Usually we use counter-clockwise as the positive direction of the moment. o R  Mr Force can only be moved along its line of application Right hand rule
HW 1-Problem #3 4-125 . Replace the force system acting on the frame by an equivalent

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 18

Tutorial3 - Tutorial 3 MECH 101 Liang Tengfei...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online