An elevator cab and its load have a combined mass of 4.3 kg. When the cab, originally moving downward at 9.8 m/s, is brought to rest with constant acceleration in a distance of 4.1 m. The tension (N) in the supporting cable will be: Answer:
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A: Consider the free-body diagram of the block.
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A: According to the given question here, T is the tension on the rope, which is given as, T= 11.81 N…
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Q: Find the acceleration (magnitude and direction) of mass m, and the tension in the string. The pulley…
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A: Given: m1 = 1.0 kg, m2 = 2.0 kg, m3 = 3.5 kg. coefficient of friction µ = 0.25 force F = 40 N
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- A block of mass 2.63 kg is hung at the midpoint of a string that is attached to the top of a 2-m tall pole at one end and to the top of another 2-m tall pole that is 5 m away at its other end. If due to the weight of the block the string deviates by 6.5º from the horizontal on each side of the block, what is the tension in the string?A picture frame hung against a wall is suspended by two wires attached to its upper corners. If the two wires make the same angle with the vertical, what must this angle be if the tension in each wire is equal to 0.75 of the weight of the frame?The figure shows a person whose weight is W = 782 N doing push-ups. Find the normal force exerted by the floor on (a) each hand and (b) each foot, assuming that the person holds this position.
- Suppose the tension in both of the cables is measured to be 50 N and that the angle thateach cable makes with the horizontal is known to be 30 degrees. What is the weight of thesign?A 6000 N elevator from rest attains an upward velocity of 6m/s in 4 seconds with uniform acceleration. If a 400 N man is standing inside the elevator, compute the apparent weight of man and tension of the supporting cable.A block of weight 50N is on a inclined surface with angle 0f 15⁰ with the horizontal. If the coefficient of static friction is 0.15, what is its maximum static frictional force that prevents it from sliding?
- The masses of the red and blue wagons are 6.09 kg and 2.63 kg, respectively. If the red wagon is pulled by 18.9 N force, the tension (N) in the cable connecting the two wagon of the system is:A woman pulls a sled which, together with its load, has a mass of m kg. Let g be the acceleration due to gravity. If her arm makes an angle of theta with her body (assumed vertical) and the coefficient of friction (a positive constant) is mu, the least force, F, she must exert to move the sled is given byA worker pulls a 15-kg crate in a straight line on a level surface by imparting a horizontal tension of 80 N to the free end of a cable whose other end is attached to the crate. If the coefficient of static friction is 0.40, what is the acceleration of the crate?
- Whatforce, applied parallel to the plane, is necessary to move a 16 kg object up a frictionless plane with a uniform acceleration of 2 m/s2, if the plane makes an angle of pi/3 radianwith the horizontal?Two masses mA =9.3kg and mB=6.1kg are on inclines and are connected together by a string as shown in the figure. The angles theta subscript A=700 and theta subscript B = 360 . In the absence of the friction, the force F is required to pull the masses at a constant velocity up the fixed inclines. The force F is now removed. What is the magnitude of the acceleration of the two blocks? Take g =9.81 m/s2, and express your answer using two decimal places.A 17 kg block rests on a 32 degree inclined frictionless surface and is attached by a light string to a 34 kg hanging mass where the string passes over a massless frictionless pulley. If g = 9.8 m/s2, what is the tension in the connecting string?