1) A block of mass M is constrained by rollers to motion in the x direction. A small mass m is attached at point B to the end of massless rigid arm. The other end of the arm is attached at a point A which is fixed to the cart. Together the arm and mass make up a rotor which rotates about an axis fixed at A to the cart. The angle the arm makes with a horizontal reference passing through A is given by 0 = wt. The length of the arm is "e", the distance from A to B. The position of the cart in the inertial frame is given by the coordinate xi. Find the horizontal component of the force on the mass M exerted by rod AB at t = 2s. (M = a, m =b (kg), w = axb (rad),e= b) Note: a and b are the last two digits (ID: XXXXXXab). if student ID is 20160284 a=8 and b=4. If either a or b is zero then take it as 2. M m B Answer:

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1) A block of mass M is constrained by rollers to motion in the x direction. A small mass m is
attached at point B to the end of massless rigid arm. The other end of the arm is attached at a
point A which is fixed to the cart. Together the arm and mass make up a rotor which rotates about
an axis fixed at A to the cart. The angle the arm makes with a horizontal reference passing through
A is given by 8= wt. The length of the arm is "e", the distance from A to B. The position of the
cart in the inertial frame is given by the coordinate xi. Find the horizontal component of the force
,e = b)
on the mass M exerted by rod AB at t = 2s. (M = a, m =b (kg), w = axb (rad), e
Note: a and b are the last two digits (ID: XXXXXXab). if student ID is 20160284 a 8 and b=4. If
either a or b is zero then take it as 2.
↑Y
O
M
Answer:
Transcribed Image Text:1) A block of mass M is constrained by rollers to motion in the x direction. A small mass m is attached at point B to the end of massless rigid arm. The other end of the arm is attached at a point A which is fixed to the cart. Together the arm and mass make up a rotor which rotates about an axis fixed at A to the cart. The angle the arm makes with a horizontal reference passing through A is given by 8= wt. The length of the arm is "e", the distance from A to B. The position of the cart in the inertial frame is given by the coordinate xi. Find the horizontal component of the force ,e = b) on the mass M exerted by rod AB at t = 2s. (M = a, m =b (kg), w = axb (rad), e Note: a and b are the last two digits (ID: XXXXXXab). if student ID is 20160284 a 8 and b=4. If either a or b is zero then take it as 2. ↑Y O M Answer:
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