A 2 kg block is sitting on a 4 kg block in an elevator. The elevator is accelerating downward at 2 m/s^2.
A) What is the force of the floor on the bottom box?
B) What is the force of the top box on the bottom box?
A 2 kg block is sitting on a 4 kg block in an elevator. The elevator...
a block with a mass of 12.2 kg is sitting on an elevator, which is initially moving downward wiht a constant velocity of 2m/s, What is the normal force on the block?
A block of mass 47 kg is situated on the floor of an elevator that is accelerating upward at 4.95 m/s2 . What magnitude force does the elevator floor exert on the block?
A 2.40-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.480. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator is stationary. N (b) The elevator is accelerating upward with an acceleration whose magnitude is 1.20 m/s2. N (c) The elevator is accelerating downward with an acceleration whose magnitude is 1.20 m/s2.
A 3.10-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.460. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator is stationary. N (b) The elevator is accelerating upward with an acceleration whose magnitude is 2.30 m/s2. N (c) The elevator is accelerating downward with an acceleration whose magnitude is 2.30 m/s2. N
A 2.00-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.440. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator is stationary. N (b) The elevator is accelerating upward with an acceleration whose magnitude is 2.00 m/s2. N (c) The elevator is accelerating downward with an acceleration whose magnitude is 2.00 m/s2. N
2) A 23kg box is on an elevator on planet Q. The elevator is accelerating downward at a rate of 2.5m/s? . The normal force of the elevator floor against the box is 133.4N. What is the gravitational acceleration on planet Q? F133.4N
Question 27 2.5 pts Two boxes are in an elevator as shown. The mass of the top box A is twice the mass of the bottom box. The elevator moves downward with increasing speed Cable Elevator 2 m m Increasing speed la a Let the normal force on the bottom box by the floor be one and the normal force on the top box by the bottom box be N. Which of the following correctly expresses Newton's second law for...
A 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 1.20 m/s^2. What is the magnitude of the normal force of the elevator floor on the dog? An astronaut's weight on earth is 80 N. What is his weight on Mars where g = 3.76 m/s^2? (a) How much work does an elevator motor do to lift a 1000 kg elevator a height of 100 m? (b) How much power does the motor supply...
If a 63.4 kg person stood on the floor in an elevator accelerating upward with 0.41g, what would be the magnitude of the force exerted on the floor by the person? (b) What would be the magnitude of the force if the elevator were accelerating downward with 0.54g?
A 62-kg woman in an elevator is accelerating downward at a rate of 1.6 m/s2. What is the magnitude of the force exerted by the elevator floor on the woman's feet?