2. The coefficient of kinetic friction under the sliding supports at A and B in figure is 0.30. What forces P will give the 600 Ib door a leftward acceleration of 8.05 ft/s? What will be the normal pressures at A and B? A B 6' c.g. 2' W= 600 lb

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2. The coefficient of kinetic friction under the sliding
supports at A and B in figure is 0.30. What forces P will
give the 600 Ib door a leftward acceleration of 8.05 ft/s?
What will be the normal pressures at A and B?
A
B
6'
c.g.
2'
W= 600 lb
3. Repeat problem no. 2 if f = 0.30 at A and f = 0.20 at B.
Transcribed Image Text:2. The coefficient of kinetic friction under the sliding supports at A and B in figure is 0.30. What forces P will give the 600 Ib door a leftward acceleration of 8.05 ft/s? What will be the normal pressures at A and B? A B 6' c.g. 2' W= 600 lb 3. Repeat problem no. 2 if f = 0.30 at A and f = 0.20 at B.
1. The uniform block shown weighs 200 lb. it is pulled up
the incline by the force P = 300 lb. Determine the
maximum and minimum values of d so that the block
does not tip over as it slides up the incline. The
coefficient of friction is 0.20.
P
f= 0.20
Transcribed Image Text:1. The uniform block shown weighs 200 lb. it is pulled up the incline by the force P = 300 lb. Determine the maximum and minimum values of d so that the block does not tip over as it slides up the incline. The coefficient of friction is 0.20. P f= 0.20
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