1.5 m 2.0 m FIGURE P8.1

Q: A 5.0-m-long,15-kg level plank is supported by two pivots that are resting on level ground at…

A:

Q: Bobina and Bob are on the seesaw down at the elementary school playground and decide to see if they…

A: Weight of Bobina , W1 = 400 N Weight of Bob, W2 = 450 N Distance of Bobina from the fulcrum , R1 = 2…

Q: Bob and Steve are building a see-saw and want it to balance when they both sit on the ends, but Bob…

A: Given : Weight of Bob is twice as Steve  Find : Where would the fulcrum have to be positioned for…

Q: Shown is, a 70 kg man walks out on a 10 kg beam that rests on, but is not attached to, two supports.…

A:

Q: 2. A vendor hangs an 8.0 kg sign in front of his shop with a cable held away from building by a…

A: Given, A vendor hangs an 8 kg sign with a cable, m=8 kg

Q: A typical horse weighs 5000 N. The distance between the front and rear hooves and the distance from…

A: It is given that,

Q: In the figure, a 60 kgkg man walks out on a 14 kgkg beam that rests on, but is not attached to, two…

A: Given :-  mass of man = 60 Kg mass of beam = 14 kg

Q: 55. A 40 kg, 5.0-m-long beam is supported by, but not attached to, the two posts in Figure P8.55. A…

A: Solution :-

Q: 0.3 m 0.7 m M Figure A2 If the mass of the plank is 9.4 kg what mass (M) is needed to balance the…

A:

Q: Figure P8.29 shows a uniformbeam of mass m pivoted atits lower end, with a horizontalspring attached…

A: a)The mass of the beam is m, horizontal angle is ϴ and distance of the spring is d.

Q: A 60-kg uniform board 2.4 m long is supported by a pivot 80 cm from the left end and by a scale at…

A:

Q: A 60kg student stands on a very light rigid board that rests on a bathroom scale at each end as…

A: Given data: Mass of the student is, m = 60 kg Length of the board is, L= 2 m Position of the student…

Q: A thin 2.00 kg box rests on a 6.00 kg board that hangs over the end of a table, as shown. How far…

A:

Q: A seesaw in a children’s playground is 4.00 m long pivoted at its center. Suppose a 25-kg child sits…

A:

Q: A 56 kg woman stands on a very light, rigid board that rests on a bathroom scale at each end, as…

A: Given,

Q: A student lies on a very light, rigid board with a scale under each end. Her feet are directly over…

A:

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…

A:

Q: A 550 ?? drawbridge has a hinge at one end and a cable attached to the other. It is stuck in a…

A:

Q: In exercise physiology studies, it is sometimes important to determine the location of a person's…

A:

Q: A woman is pushing a load in a wheelbarrow, as shown. The combined mass of the wheelbarrow and the…

A: Given The combined mass of the wheelbarrow and the load is m = 110 kg. The distance between the…

Q: A 75-kg adult sits at one end of a 9.0 m long board. His 25-kg child sits on the other end. (a)…

A:

Q: 18) 0.3 m 0.7 m M Figure A2 If the mass of the plank is 8.8 kg what mass (M) is needed to balance…

A: Mass of the plank is given as, m1 = 8.8 kg Distance between the fulcrum and the plank is given as,…

Q: An artist constructs a mobile that is suspended from the ceiling using a cable. Three shapes are…

A: Basic Details The mobile is in static equilibrium so the moment of the mobile about any point is…

Q: Three children are trying to balance on a seesaw, which consists of a fulcrum rock, acting as a…

A: Given that, mA=45 kgmB=35 kgmC=25 kg The free body diagram is shown below,

Q: Two children hold opposite ends of a lightweight, 1.8-m-long horizontal pole with a water bucket…

A:

Q: A 41 kg , 5.1-m-long beam is supported, but not attached to, the two posts in the figure (Figure 1).…

A: Given:Beam mass,mbeam=41 kgBoy mass,mboy=22 kgLenght,L=5.1mFind How close can he get to the right…

Q: The main muscles that hold your head upright attach to your spine in back of the point where your…

A: Given: On February 20, 1962, John Glenn made the first U.S.-manned flight around the Earth for three…

Q: Sketch a force acting at point P shown that would make the rod be in static equilibrium. Is there…

A: For the given rod to be in static equilibrium net force and torque acting on it should be zero.

Q: 14. A lady weighing 450 N sits on one end of a seesaw that is 3 m long and is pivoted 1.3 m from the…

A: Given Weight of lady W1=450 N Length of seesaw L=3m Distance of lady from pivot d=1.3m

Q: 2. A boy weighting 600 N sits 2.5 m from the center of the see-saw. If his friend weighs 750 N, how…

A:

Q: 15. A seesaw is 10 m long and balanced in the middle. A boy weighing 48 kg is seated Im from one end…

A: Given  Length of seesaw L=10m Mass of boy m1=48 kg Distance from pivot point d=5-1 =4m Mass of…

Q: A 39 kg , 5.0 m long beam is supported, but not attached to, the two posts in the figure. A 20 kg…

A: he get to the right end of the beam without it falling over until net torque on beam remains zero.

Q: You have been asked to hang a metal sign from a single vertical string. The sign has the triangular…

A: To support the string, we need to clamp in such a way…

Q: 9) A meter-stick is found to balance at the 49 7 cm mark when placed on a fulcrum. when a 50.0 g…

A: Given: mass m = 50 g meter stick is balanced at xM = 49.7 cm = centre of mass of stick position of…

Q: In exercise physiology studies, it is sometimes important to determine the location of a person's…

A:

Q: A uniform, 255 N rod that is 2.10 m long carries a 225 N weight at its right end and an unknown…

A:

Q: A boy and a girl are balanced on the massless seesaw. The boy has a mass of 75 kg and the girl's…

A: Given: The mass of the boy is 75 kg. The mass of girl is 50 kg. The position of the boy from the…

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:

Q: Two kids are on a uniform seesaw supported at its center. The kid is on the right side of the seesaw…

A:

Q: The two objects shown are balanced on the pivot. What is distance d?

A: Analyze the FBD of the given system.

Q: 11. In physiology studies, it is sometimes important to determine the location of a person's center…

A:

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…

Q: Three children are trying to balance on a seesaw.  The seesaw is 4.1 m long and pivots about a rock…

A: From figure Louie sit on left and Laura sit on right,Since the weight of Louie is 50 kg, and Laura…

Q: In exercise physiology studies, it is sometimes important to determine the location of a person’s…

A:

Q: Three sailboats are shown below. Each sailboat experiences the same amount of force, yet has…

A: A sail boat comprises of two important components, the sail and the keel.It is the interaction of…

Q: A seesaw with a length of 5 m and a mass of 40 kg is pivoted at its center. A 15kg child sits on one…

A: Here length of the seesaw is L= 5m  Mass, M = 40 Kg  Mass of the child ,m= 15 Kg

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.