e bones of the forearm about 2.15 cm beyond the joint. Assume the forearm has a mass of 2.45 kg and a length of 0.465 m. When the humerus and the biceps are nearly vertical and the forearm is horizontal, if a person wishes to hold an object o

Q: A spade is modelled as a uniform rod, of mass 2kg and length 90cm, attached to a uniform square…

A: Gardener is holding the spade horizontally. This shows that weight of spade = force by gardner’s…

Q: A 30.0-kg child sits on one end of a long uniform beam having a mass of 20.0 kg, and a 40.0-kg child…

A:

Q: A beam of negligible mass, supported by a hinge, holds two steel balls as shown in the figure.…

A:

Q: The bones of the forearm (radius and ulna) are hinged to the humerus at the elbow. The biceps muscle…

A:

Q: A uniform ladder is tilted against a smooth wall at an angle 60⁰ with the horizontal. The mass of…

A:

Q: uniform beams A andBare attached to a wall with hinges and loosely bolted together (there is no…

A:

Q: Two children are sitting on a see-saw and they want to balance it. One child, at 35.0 kg sits 1.25 m…

A:

Q: The bones of the forearm (radius and ulna) are hinged to the humerus at the elbow. The biceps muscle…

A: By Balancing torque about elbow joint

Q: 2. A 3.00 m long, uniform diving board has a mass of 26.0 kg and is securely fastened at point A and…

A:

Q: 13 kg horizontal beam has length L3D0.8 m. It is supported by a fulcrum at d=0.45 m from the left…

A:

Q: In the figure below, the uniform 0.60-kN beam is hinged at P. What is the magnitude of the reaction…

A:

Q: A uniform rod of length 100cm and mass 0.4 kg is placed on a fulcrum at a distance of 80cm from the…

A: Draw the free-body diagram of the rod.

Q: Why is the following situation impossible? A uniform beam of mass mb = 3.00 kg and length ℓ = 1.00 m…

A: The Torque equation for the system from Newton’s second law,

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: A uniform ladder whose length is 5.0 m and whose weight is 400 N leans against a frictionless…

A:

Q: A uniform steel bar of length 10 m is supported at point A and B using two cables as shown in the…

A:

Q: How much work was done by the person against Gravity?

A: Initially the center of mass is at a height, The center of mass ends at a height of

Q: The figure shows a uniform, horizontal beam (length = 10 m, mass = 25 kg) that is pivoted at the…

A: Given:   Length, L = 10 m Mass of rod, m =25 kg Mass of person, M = 60 kg Distance of person from…

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: A person carries a plank of wood 2.0 m long with one hand pushing down on it at one end with a force…

A: The net force acting on a body is equal to mass times the acceleration of the body. If the net force…

Q: A solid uniform ball with mass m and diameter d is supported against a vertical frictionless wall by…

A:

Q: A 2.50 [kg] block is positioned 2.25 [m] from the center of a long uniform beam. At what distance x…

A:

Q: A 0.19 kg horizontal beam has length L-0.8 m. It is supported by a fulcrum at d=0.50 m from the left…

A:

Q: A 0.17 kg horizontal beam has length L=1.0 m. It is supported by a fulcrum at d=0.50 m from the left…

A:

Q: A mallet consists of a uniform cylindrical head of mass 1.80 kg and á diameter of 7.0 cm mounted on…

A: Recall ycm=m1y1+m2y2m1+m2

Q: A 6.00 m uniform beam of mass 17.0 kg is hinged to a vertical wall. The beam is kept in a stationary…

A:

Q: Why is the following situation impossible? A uniform beam of mass m, = 3.00 kg and length e = 1.00 m…

A: Given, Position of the object of mass m 2  is adjusted along the length of the beam until the normal…

Q: If the vector sum of torques acting on a system is zero, then the object is in _______.   A)…

A: force is cause for linear motion so, The net force acting on body is zero then the body is said to…

Q: The drawing shows a uniform horizontal beam attached to a vertical wall by a frictionless hinge and…

A: The beam is at rest and so the sum of the torques must equal zero. But we can choose about which…

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

A:

Q: Consider a horizontal forearm. On one end of the forearm is the elbow, and on the other end is the…

A:

Q: The drawing shows a uniform horizontal beam attached to a vertical wall by a frictionless hinge and…

A: Given data The weight of the beam is W = 340 N The angle applied force is θ = 44°

Q: The two children sit at opposite ends of a seesaw of negligible mass. The seesaw has a length of 4.0…

A: Consider the adult of mass 60 kg sits on the left side from the pivot point because on the left side…

Q: A uniform rod AB of weight 500 N and length 4.0 m is supported at two points P and Q as shown below.…

A: Weight of rod, w, AB=500 N Length of the rod, AB= 4 m AP=QB=0.8 m Weight of man, wm=800 N

Q: On the third day, Ate Neo's mission is to conduct a routine patrol in a park. She notices a "taho"…

A: In order to balance both the buckets on the yoke, it is important that the vendor carry the yoke on…

Q: A 60-kg object is attached to one end of a steel tube 2.40 m long whose mass is 40 kg. The distance…

A: Given data The mass of the object is P = 60 kg The length of the steel tube is l = 2.40 m The mass…

Q: A person carries a plank of wood 1.9 m long with one hand pushing down on it at one end with a force…

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: what is the tension in the wire?

A: Given:

Q: Two plastic toys are hung from the ends of a uniform rod of mass 20.0 g and length 0.500 m to form a…

A:

Q: A 32.0 kg child sits on one end of a long uniform beam having a mass of 18.0 kg, and a 40.0 kg child…

A:

Q: 1.5m

A:

Q: A uniform plank of length 5.35 m and mass 26.9 kg rests horizontally across two horizontal bars of a…

A: suppose, the right scaffold part is free to walk by the painter.the distance from the center of mass…

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.