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block c has a mass of 50 kg and is confined between two walls by smooth rollers if the block rests on top of the 40-kg
the 3-mg rear-wheel-drive skid loader has a center of mass at g determine the largest number of crates that can be
the tractor has a weight of 8000 lb with center of gravity at g determine if it can push the 550-lb log up the
if theta 30deg determine the minimum coefficient of static friction at a and b so that the roller remains selflocking
if the coefficient of static friction at b is micros 03 determine the largest angle and the minimum coefficient of
a force of is applied perpendicular to the handle of the gooseneck wrecking bar as shown if the coefficient of static
the paper towel dispenser carries two rolls of paper the one in use is called the stub roll a and the other is the
the 50-kg uniform pole is on the verge of slipping at a when theta 45 deg determine the coefficient of static friction
the drum has a weight of 100 lb and rests on the floor for which the coefficient of static friction is micros 05 if a
determine the maximum height h in meters to which the girl can walk up the slide without supporting herself by the
the coefficient of static friction between the chain and the inclined plane is determine the overhang length b so that
a roll of paper has a uniform weight of 075 lb and is suspended from the wire hanger so that it rests against the wall
the tractor has a weight of 8000 lb with center of gravity at g determine the greatest weight of the log that can be
if the center of gravity of the stacked tables is at g and the stack weighs 100 lb determine the smallest force p the
the refrigerator has a weight of 180 lb and rests on a tile floor for which micros 025 also the man has a weight of
a horizontal force of is just sufficient to hold the crate from sliding down the plane and a horizontal force of p 350
if the coefficient of static friction at a is micro 04 and the collar at b is smooth so it only exerts a horizontal
the uniform thin pole has a weight of 30 lb and a length of 26 ft if it is placed against the smooth wall and on the
determine the minimum coefficient of static friction between the uniform 50-kg spool and the wall so that the spool
crates a and b weigh 200 lb and 150 lb respectively they are connected together with a cable and placed on the inclined
a man attempts to support a stack of books horizontally by applying a compressive force of f 120 n to the ends of the
the tongs are used to lift the 150-kg crate whose center of mass is at g determine the least coefficient of static
the spool has a mass of 200 kg and rests against the wall and on the floor if the coefficient of static friction at b
the coefficient of static friction between the drum and brake bar is micros 04 if the moment m 35 n m determine the
the uniform 20-lb ladder rests on the rough floor for which the coefficient of static friction is micros is and