題目如下:
The spring-mounted collar oscillates on the shaft according to x=0.04sinπt
,where x is in meters and t is in seconds.Simultaneously the frame rotates
about the bearing at O with an angular velocity ω=2sin(πt/2) rad/s.
Determine the acceleration of the center C of the collar (a)when t=3s and
(b)when t=0.5s. y
|
|
│ ┌───┐ │
├─┤ .C ├─┤------------x
│ └───┘ │ |
│ │ |
＼ ／ | 0.2m
＼ ／ |
＼ ／ |
╭ ╲／-------------------
╰>ω O
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.7.59