Constants PartA A 536-N physics student stands on a bathroom scale irn an 869-kg (including the student) elevator that is supported by a cable. As the elevator starts moving, the scale reads 500 N Find the magnitude of the acceleration of the elevator. a041 m/s

Consider a person standing on a scale in an elevator. If the elevator accelerates upwards with an acceleration of 1.47 m/s2 and the person has a mass of 98.1 kg, what would the scale read? HINT: you need to take into account the acceleration due to gravity, as well as that of the elevator.

A robot pushes a 20-kg box on the horizontal surface as part of the moving job. The force is 35 N to the left shown, and the box does not move. The coefficients of friction between the floor and box are µs = 0.75 and uk = 0.40. What is the minimum pushing force (magnitude only) needed to move the box, in Newtons? Useg = 10 m/s². Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.

A person weighs -800 N and is traveling downwards in an elevator whilst stood on a bathroom scale (as one does!). The person notices that the scale doesn't always read bodyweight. When arriving at the bottom, the scale reads 840 N. If the person has a mass of 81.5 kg, what is the acceleration of the elevator?

A 74.1-kg crate is suspended between the floor and the ceiling using two spring scales, one attached to the ceiling and one to the floor. If the lower scale reads 120 N, what is the reading of the upper scale? Ignore the weights of the scales.

A person stands on a scale inside an elevator at rest. The scale reads 980 N. The elevator then accelerates upward momentarily at the rate of 4 m/s ^2 what does the scale read then?

A 30.7 kg girl and a 59.8 kg boy are on the surface of a frozen lake, 10.5 m apart. Using a rope, the girl exerts a horizontal 4.20 N force on the boy, pulling him toward her. Calculate the magnitude of the girl's acceleration.

Using the force table, components of a vector can be found experimentally by suspending masses from two orthogonal strings which oppose the mass and string representing the vector in question. If 155 g is suspended at 210, what masses must be suspended at 0 and 90 to balance this force?

In an experiment performed in a space station, a force of 49 N causes an object to have an acceleration equal to 9 m/s2. What is the object's mass?   (a) What is the person's mass? kg(b) The elevator accelerates upward momentarily at the rate of a = 4 m/s2. What does the scale read then? N(c) The elevator then moves with a steady speed of 7 m/s. What does the scale read now? N