Can two unequal forces acting at a point be in equilibrium? Can three?

Q: A 3-newton force and a 4-newton force are acting concurrently on a point. Which force could not…

A: Let F1 = 3 N  F2 = 4 N  F1 and F2 are concurrent .

Q: If forces always occur in pairs that are equal and opposite, why don’t they always cancel?

A: The third law of motion states that for every action there is an equal and opposite reaction but…

Q: A clothesline always sags a little, even if nothing hangs from it.Explain.

A: A clothline sags

Q: A bird sits on a telephone wire midway between two poles 20 m apart. The wire assumed weightless…

A: Force is a vector quantity that means it has both magnitude and direction to it. By Newton's second…

Q: Based on the illustration,what must be true of all these force for the body to be in equilibrium?

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Q: Two identical strings making an angle of θ = 30.0° with respect to the vertical support a block of…

A: Given data: The mass of block is m=15 kg. The angle of string with vertical is θ=30°.

Q: Describe several situations in which an object is not in equilibrium, even though the net force on…

A: An object is said to be in equilibrium when the net force and net torque acting on the object is…

Q: The 6-m pole ABC is acted upon by a force P as shown. The pole is held by a ball-and-socket joint at…

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Q: A man can exert a maximum pull of 1000 N but wishes to lift a new stone door for his cave weighing…

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Q: A couple consists of two forces which have different magnitudes and parallel noncollinear lines of…

A: Required : True or False.

Q: Calculate the horizontal force F that should be applied to the 100 lb weight shown so that the cable…

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Q: How much horizontal force is needed to start pushing a 1850 kg truck if all 4 wheels are locked.…

A: mass of truck (m) = 1850 kg μs = 0.6 (coefficient of static friction)μk = 0.38 (coefficient of…

Q: Calculate the tension in the wire supporting the 75.0 kg tightrope walker as shown below. 5.0° T…

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Q: When first and second condition for equilibrium is applied?

A: First condition of equilibrium states that sum of all the forces acting on a body is zero. Second…

Q: A pair of forces that causes one face of a material to slide relative to an adjacent face are called…

A: False

Q: IS attached to the ceiling and is s holding up a board. with the given data, Find The coeffi cient…

A: Given that: l=117 cm h=30.75 cm θ=10° T=7.0 N M=1.473 kg

Q: The length of the ladder is 10 m and its weight is 50N. The load of 500 N is 8 m away from the…

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Q: Could all three pulleys on the force table be placed in one quadrant and still be in equilibrium?…

A: It was not possible to position all four pulleys in the same quadrant to get equilibrium.

Q: A 3 m long weightless beam is supported at each end by cables. A painter weighing 900 N stands 1 m…

A: Given data: Length of beam is, L=3 m. Weight of painter is, Wp=900 N. Distance of painter from left…

Q: Which of the conditions is always true at equilibrium?

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Q: An object in equilibrium must not have

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Q: Can we represent four forces acting at a point, and in equilibrium, by a force polygon?

A: When any particle is in equilibrium, the net force on it is always zero.

Q: Why is the normal force no longer equal to the weight of all things on an incline?

A: Lets take it from basis Newton third law states "for every force, there is equal and opposite…

Q: Why are the forces exerted on the outside world by the limbs of our bodies usually much smaller than…

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Q: Draw a horizontal beam 10 meters long supported at both ends, the beam has a mass It also has a…

A: The torque is given by  Torque = force x perpendicular distance

Q: A block of mass m = 3.40 kg is in equilibrium on an incline plane of angle e = 28.0° when connected…

A: mass, m = 3.4 kg  Angle, A =28 degree

Q: Can a body be in equilibrium, if it is in motion? Explain.

A: Yes, Such an equilibrium situation is called dynamic equilibrium. So an object in equilibrium can…

Q: What is the magnitude of the downward force exerted on the ankle joint by the tibia?

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Q: When any object is in mechanical equilibrium, what can be correctly said about all the forces that…

A: An object is said to be in mechanical equilibrium when the net force acting on it is zero. It does…

Q: Three forces 3N, 4N and 9N are acting at a point. Is it possible to produce equilibrium?

A: Given:  Three forces 3 N, 4 N  and 9 N

Q: A horizontal force of 5 kN is acting on the wedge, as shown in the figure. The coefficient of…

A: Given data: The force act on the wedge is 5 kN The coefficient of friction is μ=0.25

Q: The normal force on the head of the femur in the knee is

A: Given:- The normal force N = 300 N  The coefficient of the friction  μ= 0.003 and arthritic joint μ=…

Q: · Find the mass m of the counterweight needed to balance a truck with mass 1500 kg on an incline of…

A: Given : Mass m = 1500 kg             Angle θ = 45∘

Q: what happens when a concurrent force is in equilibrium

A: When more than one force is applied on the object and these forces balance each other so that the…

Q: Is it possible for an item to be in equilibrium when just one force operates on it? Explain.

A: To discuss whether it is possible for an item to be in equilibrium when just one force operates on…

Q: As you increase the force that you apply while pulling on arope, which of the following is NOT…

A: The relation for the stress is, σ=FA When the force is increased, the stress on the rope increases.…

Q: Two blocks are positioned on surfaces, each inclined at the same angle of 47.2 degrees with respect…

A: Answer             (2) 11.57Kg Solution

Q: What is the first condition for equilibrium?

A: All forces and moments' resultant acting on the body is zero. In another way, It can be stated that…

Q: 4ON 6ON 6ON Fi

A: Equilibrium of forces: When an object under the action of multiple external forces, and still…

Q: O Arlene is to walk across a "high wire" strung horizontally between two buildings 20.0 m apart. The…

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Q: Tensile force tends to cut the body in two. (true or false?)

A: If equal and opposite forces are applied to a body they tend to elongate it, such type of force is…

Q: When an object is in mechanical equilibrium ,what can be correctly said about all the forces that…

A: When the object is in mechanical equilibrium it means that the net force on the object is “Zero”.

Q: Can an object be in mechanical equilibrium when only a single force acts on it? Explain.

A: Mechanical equilibrium is the situation in which the resultant force acting on the system is zero.…

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.