A meter stick weighing 20 N is balanced off its center by 30 cm using a counter weight attached at the end of the meter stick as shown. What is the mass m of the counterweight?

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 5.24 g coins…

A:

Q: A small 1000-kg SUV has a wheel base of 3.0 m. If 60% if its weight rests on the front wheels, how…

A: Given A small 1000-kg SUV has a wheelbase of 3.0 m. If 60% of its weight rests on the front wheels,…

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 4.72 g coins…

A: As the stick balances without anything extra at the 50 cm mark, we can take it that the weight is…

Q: A uniform meterstick "weighs" 150 grams. A 100-gram weight is suspended at the 15 cm mark and…

A:

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 3.59 g coins…

A: mass of each coin = 3.59 g total mass = m = 2x3.59 = 7.18 g

Q: A house painter is standing on a uniform, horizontal platform that is held in equilibrium by two…

A: Given data: The mass of the painter is m=73.1 kg. The mass of the platform is M=18.6 kg. The…

Q: A 5.4 kgkg cat and a 2.5 kgkg bowl of tuna fish are at opposite ends of the 4.0-mm-long seesaw. How…

A: Given: m1= 5.4 kg  m3 = 2.5 kg  L = 4m  m2 = 3.8 kg

Q: The topic is torque A uniform horizontal beam is attached to a wall by a pin connection that allows…

A: Let the Tension be T Weight of beam (Wb) = Mg Wb = 35.7×10 =357 N Weight of the person (Wp) = mg=600…

Q: The meterstick weighs 10N. If a rock hangs on one end and the whole system is balanced at the 20 cm…

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Q: A worker of weight 756.5 kg stands on the end of a beam of weight 1699 N and length L= 118.7 m,…

A: Given  Mass of worker =756.5kg Weight of beam =1699N L=118.7m X=26.7m

Q: Two students sit on a see-saw. Archie is a hulking football player with a mass of 120 kg. Clementine…

A: Given dataMass of Archie  (ma)= 120kgMass of Clementine(mc)  = 40kgFull Lenght of sea-saw  =…

Q: A 40 kg, 5.0-m-long beam is supported by, but not attached to, the two posts as shown. A 20 kg boy…

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Q: A 20 kg wooden plank is supported by a fulcrum at the midpoint. A 79 kg man is positioned 1.5 m from…

A: Given data:  Mass of wooden plank (m) = 20 kg Mass of man (m1) = 79 kg Distance of man from fulcrum…

Q: The uniform seesaw shown below is balanced on a fulcrum located 3.0 m from the left end. The smaller…

A:

Q: 3.4 kg mass is plac A horizontal 15 kg balance beam is 4.8 m in length and has its center of mass at…

A: Given: Mass of horizontal balance M = 15 kg Mass of an object m = 3.4 kg. Distance d = 1.3 m.

Q: The uniform seesaw shown below is balanced on a fulcrum located 3.0 m from the left end. The smaller…

A: Given Mass of smaller boy = 35 kg Mass of bigger boy = 78 kg Length of board = 8.0 m We have to…

Q: A uniform beam is 5.0 m long and is supported as shown in the figure. At the center of the beam, a…

A: Given, m1= 12g m2= 10g m3= ? Torque due to tension = 1300 Mass of beam M= ? Length of beam (L)= 5m

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 5.00 g coins…

A: The expression for the required mass of the meter stick is,

Q: If you are trying to balance a seesaw and you have a higher mass on the left, should the mass on the…

A: Introduction: Seesaw is a children swing found in children parks where two child sit on one-one ends…

Q: A car manufacturer claims that you can drive its new vehicle across a hill with a 47° slope before…

A:

Q: As shown in the figure, a beam is supported by two pillars separated by a distance ℓ = 7.2 m. The…

A: (a) Draw the free-body diagram of the beam as shown below:

Q: A person is standing on a level floor. His head, upper torso, arms, and hands together weigh 438 N…

A: Given,

Q: You hold a 1.80-N softball in your hand as shown in the figure. Consider your forearm and hand to be…

A: Given data: Weight of the ball, mg=1.80 N Mass of the fore arm and hand, M=1.45 kg    2L=23.5 cm…

Q: A 1 kg ball is hung at the end of a rod 1 m long. If the system balances at a point on the rod 0.25…

A:

Q: A man is attempting to raise a 7.5 m long, 28 kg flagpole that has a hinge at the base by pulling on…

A: If a rigid body is in equilibrium, the vector sum of all force acting on the body is zero,

Q: A hungry bear weighing 700 N walks out on a beam in an attempt to retrieve a basket of goodies…

A:

Q: 2.0 m 1.0 m 4.0 kg 1.0 kg d

A: Mass of first object (M) = 1 kg Mass of second object (m)= 4 kg Length of first object = 2 m Center…

Q: 6 kg 30 kg 12 1 1.25 1.5/ 1.75 0.25 0.5 0.75 0.75 0.5 0.25 Meters 1 1.75 1.5 1.25 Meters Check 15 kg

A: Torque is the rotational analog of linear force. The torque is given by the cross product of the…

Q: What would happen if you removed the brass weight on the left? If the meter stick is not balanced,…

A: In the given experiment, the two brass weights on both sides of the meter stick along with the…

Q: A 100 – g uniform meterstick is hanged on a 40 cm mark, you try to achieve balance by placing a 100…

A:

Q: A person on horseback is on a drawbridge which is at an angle e = 20.0° above the horizontal, as…

A:

Q: A 5.0 kg cat and a 2.0 kg bowl of tuna fish are at opposite ends of a 4.0 m long seesaw. How far to…

A: In order to keep the seesaw in balance, the moment about the pivot point must be equal. Let the 4 Kg…

Q: A nonuniform, 0.08 kg, meterstick balances when the support is placed at the 51.0 cm mark. At what…

A:

Q: The foot of a ladder rests against a wall and its top is held by a tie rope, as shown. The ladder…

A: Given-

Q: 6. A 1.5 m long board with a mass of 4.2 kg sits on top of a 3.0 m long board with mass of 1.5 kg…

A: mass of board kept on top (m)= 4.2 kg length of board kept on top (l) = 1.5 mmass of board kept at…

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 6.88 g coins…

A: Required Mass of stick

Q: A 80-kg person raises his entire body weight on the ball of one foot as shown in the figure.…

A:

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 6.35 g coins…

A:

Q: A 140 lb painter is standing on a uniform plank weighing 15 lbs. and of length 12 feet. It is…

A:

Q: A 700 N bear is standing on a metal plank supported by the cable shown in the figure. At the end of…

A:

Q: A uniform rod of weight 5 N and length 1 m is pivoted at a point 20 cm from one of its ends. A…

A: Write the expression for moment.

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 6.21 g coins…

A:

Q: An 8 m ladder, weighing W 360 N leans against a smooth vertical wall, meaning there is no friction…

A: Weight of the ladder = WL=360 N Weight of the fire fighter = Wf=900 N Length of the ladder = L = 8 m…

Q: A 20 kg child and a 30 kg child sit at opposite ends of a 4m seesaw that is pivoted at its center.…

A: Given:  First child mass m1 =20 kg  Second child mass m2 = 30 kg Third child mass m3 = 20 kg Seesaw…