(Solved): SECTION B - DEFINED MARK QUESTIONS QUESTION 4 (Answer TWO of the following questions in the space pr ...

SECTION B - DEFINED MARK QUESTIONS QUESTION 4 (Answer TWO of the following questions in the space provided on each sheet. Write the final answer in the block at the bottom of the sheet. Each question is worth 5 marks.) dent Number: Bar

is pinned at

to a second bar

which is able to slide freely through a collar at

, which is fixed to the ground but can pivot to allow motion of bar

. At the instant shown, bars

and

are angled at

to the horizontal and length

is

. Determine the resultant velocity of end

of bar

if

. Hint: length

varies.