25-10-2022
Physics

Answered

A sensor is placed on the end of a rope that is pulling up a piano. The tension exerted by the rope is 798N, but the net force is only 455N. What is the acceleration experienced by the piano?

Answer :

Other Questions

1. A man pulls a crate with a rope. The crate slides along the floor in the horizontal direction (x direction). The man exerts a force of 50 N on the rope, and

two crates of mass 80 kg and 110 kg are in contact and at rest on a horizontal surface. a 650n force is exerted on the 80-kg crate. if the coefficient of kineti

you push a box along the floor against a constant force of friction. when you push with a horizontal force of 75 n , the acceleration of the box is 0.52 m/s2 ;

If a metal ball suspended by a rod is at rest, which force is responsible for balancing the force due to gravity? a. the tension in the rod b. the friction of t

an electron of mass 9.11 3 10231 kg has an m initial speed of 3.00 3 105 m/s. it travels in a straight line, and its speed increases to 7.00 3 105 m/s in a dis-

an elevator cab is pulled upward by a cable. the cab and its single occupant have a combined mass of 2200 kg. when the occupant drops a coin, its acceleration r

two forces are the only forces acting on a 3.0-kg object which moves with an acceleration of 3.0 m/s2 in the positive y direction. if one of the forces acts in

A mass on the end of a spring undergoes simple harmonic motion. At the instant when the mass is at its equilibrium position, what is its instantaneous accelerat

two power lines, each 250 m in length, run parallel to each other with a separation of 22 cm . if the lines carry parallel currents of 130 a , what is the magni

A 35 kg object is on the surface of Venus. Venus has a mass of 4.87×1024 kg and a radius of 6.05×106 m. A. What is the weight of the object on the earth (use g