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Questions (227)
A uniform ladder of length L and mass m leans against a frictionless vertical wall, making an angle of 56° with the horizontal.
4 answers
asked by
Ariana
2,084 views
A uniform rod of mass 100g has a length of 1m.it is supported horizantally on two knife edges placed 10cm from it end. What will
6 answers
asked by
Usman
2,000 views
A uniform plank weighing 50N and 12m long is pivoted at a point of 4m from one end.A boy weighing 30N sits on the plank 7m from
5 answers
asked by
Anonymous
1,959 views
Two scales support a massless plank from either end, separated by 3 m. A person, whose height is less than 3 m, lies down on the
3 answers
asked by
Shirin
1,892 views
39. (Taken from problem 5 at the end of Chapter 9) Look at the children balanced on the see-saw in the figure below. r1 = 1.60
3 answers
asked by
sonnie brockwell
1,633 views
A 3.0-m-long rigid beam with a mass 130 kg is supported at each end. An 90 kg student stands 2.0 m from support 1. (beam 1 is to
3 answers
asked by
falcon306
1,557 views
Suppose we take a 1 m long uniform bar and support it at the 27 cm mark. Hanging a 0.31 kg mass on the short end of the beam
3 answers
asked by
Christina
1,526 views
A uniform rod of mass 100g has a length of 1m.it is supported horizantally on two knife edges placed 10cm from it end. What will
4 answers
asked by
Usman
1,502 views
Pith Balls
Two small pith balls, each of mass m = 17.7 g, are suspended from the ceiling of the physics lab by 0.8 m long fine
5 answers
asked by
Jenipher
1,489 views
A thin 2 kg box rests on a 6 kg board that hangs over the table. the length of the board on the table is 30 cm and the length of
3 answers
asked by
Anonymous
1,494 views
Two blocks rest on slopes of unequal angles, connected by a rope passing over a pulley. If the blocks equal masses, will they
3 answers
asked by
Anthony
1,388 views
One end of a post weighing 400 N and with height h rests on a rough horizontal surface with Ks=0.30. The upper end is held by a
1 answer
asked by
Anonymous
1,279 views
a metal bar 70cm long and 4.00 kg in mass supported on two knief -edge placed 10 cm from each end. a 6.00 kg weight is suspended
4 answers
asked by
nirbhay
1,234 views
A 50 kg uniform ladder, 5.0 m long, is placed against a smooth wall at a height of h = 3.7 m. The base of the ladder rests on a
1 answer
asked by
jenn
1,225 views
Two equal masses(1 and 2) are connected by an ideal rope across a pulley. This system is on a larger block A; 1 is on top of A,
1 answer
asked by
Kuen
1,177 views
A 5 kg magnet exerts a constant force of 3 N on a 0.25 kg magnet. What force will the smaller magnet exert on the larger magnet?
2 answers
asked by
Anonymous
1,178 views
A 189.4 kg uniform, horizontal beam is hinged at one end and at the other is supported by a cable that is at 37 degrees to the
2 answers
asked by
S
1,173 views
A gymnast with mass m1 = 47 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 =
1 answer
asked by
Anonymous
1,145 views
The drawing shows a uniform horizontal beam attached to a vertical wall by a frictionless hinge and supported from below at an
1 answer
asked by
aj
1,127 views
Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 .
1 answer
asked by
anthony
1,186 views
A stationary 3.0-m board of mass 6.0 kg is hinged at one end. A force is applied vertically at the other end, and the board
2 answers
asked by
Kayla
1,153 views
A spring lies on a horizontal table, and the left end of the spring is attached to a wall. The other end is connected to a box.
1 answer
asked by
sammy
1,099 views
A uniform plank of length L leans against a vertical wall, its head a distance h above the horizontal ground. If we let go of
1 answer
asked by
OPTIPLEX
1,047 views
A person whose mass is m = 96.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle α =
2 answers
asked by
Scott
1,006 views
A uniform horizontal beam weighing 136 kg is 10.4 m long and is supported by columns at each end. A vertical load of 1275 kg is
3 answers
asked by
harshdeep
988 views
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A mass m is at rest on a horizontal frictionless surface at t=0. Then a constant force
2 answers
asked by
Phil
987 views
a fis is suspended from a 6m uniform beam supported by a cable and attached by a pivot to the ground. the beam has a mass of 20
1 answer
asked by
cinthia
945 views
A uniform ladder of mass (m = 14.5 kg) and length (L) leans against a frictionless wall, see figure. Find the static friction
3 answers
asked by
Ryan Keefe
962 views
A cat walks along a plank with mass M= 7.00 kg. The plank is supported by two sawhorses. The center of mass of the plank is a
1 answer
asked by
sinti
961 views
A uniform metal rod, with a mass of 3.7 kg and a length of 1.2 m, is attached to a wall by a hinge at its base?
A horizontal wire
2 answers
asked by
Lonely
962 views
A shop sign weighing 230 N is supported by a uniform 115 N beam as shown in Fig. 9-54. Find the tension in the guy wire.
3 answers
asked by
charlse
940 views
A uniform rod of weight 10N is balance at a point 75cm from the end B the pivot is removed to point 30cm from A. What force must
2 answers
asked by
Bobrisky
932 views
A beam of mass mb = 10.0 kg, is suspended from the ceiling by a single rope. It has a mass of m2 = 40.0 kg attached at one end
2 answers
asked by
Katie
931 views
A crane in a marble quarry is mounted on the rock walls of the quarry and is supporting a 2900kg slab of marble as shown in the
1 answer
asked by
Hong
916 views
three masses are suspended from a meter stick as shown. How much mass must be suspended on the right side for the system to be
2 answers
asked by
Faith
909 views
A horizontal plank 4.12 m long and having mass 26.8 kg rests on two pivots, one at the left end and a second 1.03 m from the
1 answer
asked by
alba
889 views
A uniform beam of weight 520 N and length 3.4 m is suspended horizontally. On the left it is hinged to a wall; on the right is
1 answer
asked by
Ray
882 views
A man of mass 61.6 kg stands on a scaffold supported by a vertical rope at each end. The scaffold has a mass of 15.9 kg and is
2 answers
asked by
Bronson
871 views
Two wires run from the top of a pole 2.6m tall that supports a volleyball net. The two wires are anchored to the ground 2.0m
1 answer
asked by
rob
861 views
A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6.7 kg and the sign has a mass of ms =
2 answers
asked by
Anonymous
864 views
Two blocks are connected by strings and hung from the ceiling as shown. Tension T1 is 187 N and tension T2 is 78 N. Find the
1 answer
asked by
tomas
855 views
A steel beam that is 6.00 m long weighs 332 N. It rests on two supports, 3.00 m apart, with equal amounts of the beam extending
1 answer
asked by
Jamison
831 views
A uniform ladder AB leans against a smooth vertical wall at an angle 60degree to the horizontal.the weight of the ladder is
2 answers
asked by
benjieo
834 views
an artist designs a mobile of light horizontal rods connected by vertical strings and supporting various shaped weights. Find
1 answer
asked by
Jessica
833 views
A uniform horizontal beam 5.00 m long and weighting 2.88 102 N is attached to a wall by a pin connection that allows the beam to
1 answer
asked by
Johnny
811 views
A 43 kg, 5.3-{\rm m}-long beam is supported, but not attached to, the two posts in the figure . A 23 kg boy starts walking along
1 answer
asked by
Anonymous
787 views
A uniform rod of weight 5N and length 1m is pivoted at the 20cm mark from one end. A weight is hung from the other end so that
1 answer
asked by
Jordan
787 views
a uniform beam 6.0m long and weighing 4kg rest support p and q place left and right 1.0m of beam of weight from each of the beam
2 answers
asked by
Olalekan
784 views
Consider the figure above, where a rigid beam of negligible mass and 10 m long is supported by a cable attached to a spring.
1 answer
asked by
Anonymous
792 views
A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a rough wall and is on a rough floor. Determine a
2 answers
asked by
vidya
783 views
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Parent Categories (6)
Equilibrium
Forces
Forces and Motion
Mechanics
Physics
Structural Engineering