In the figure, a 0.27 kg block of cheese lies on the floor of a 970 kg elevator cab that is being pulled upward by a cable through distance d1 = 2.7 m and then through distance d2 = 10.5 m. (a) Through d1, if the normal force on the block from the floor has constant magnitude FN = 4.01 N, how much work is done on the cab by the force from the cable? (b) Through d2, if the work done on the cab by the (constant) force from the cable is 92.52 kJ, what is the magnitude of FN?
In the figure, a 0.27 kg block of cheese lies on the floor of a 970...
In the figure, a 0.25 kg block of cheese lies on the floor of a
970 kg elevator cab that is being pulled upward by a cable through
distance d1 = 2.3 m and then through
distanced2 = 10.2 m. (a)
Through d1, if the normal force on the block
from the floor has constant magnitude FN = 3.11
N, how much work is done on the cab by the force from the cable?
(b) Through d2, if the work...
In the figure, a 0.23 kg block
of cheese lies on the floor of a 940 kg elevator cab that is being
pulled upward by a cable through distance d1 = 2.5 m and then
through distance d2 = 10.4 m. (a) Through d1, if the normal force
on the block from the floor has constant magnitude FN = 3.65 N, how
much work is done on the cab by the force from the cable? (b)
Through d2, if the...
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?
As shown in the figure, a 25 kg block is being pulled by a force F = 220 N up along a rough incline. The coefficient of kinetic friction between the block and the incline is μk = 0.30. The block is pulled through a distance of 23.0 m. (c) Calculate the work (in Joules) done by the pulling force F. Pay attention to the angle in the work formula and the sign of work. (d) Calculate the work (in...
1). the roller coaster car with a mass of 250 kg starts with an initial speed v0 = 5.6 m/s at the top of the track . What is its speed (in m/s) at the lowest point of the track (which is 25m below the start point)? Keep 2 decimal places. 1 b) Recall what you learned in vertical circular motion. If the lowest part of the track is approximated as circular with a radius of 6.20 m, What is the...
MY NOTES A dock worker pushes a m 2.20 kg block a distance de 6,20 m along the floor by a constant force of magnitude F-16.0 N directed at an angle - 23.0 below the horizontal as shown in the figure Assume the floor is frictionless. (Enter your answers in joules.) (a) Determine the work done on the block by the applied force (the force on the block exerted by the dock worker) (b) Determine the work done on the...
An elevator carries a group of people from the ground floor to the third floor of a building. The elevator and passengers have a combined mass of 2600 kg. The height of one floor is 4.5 m. If the elevator moves at a constant speed and goes from the ground floor to the third floor in one minute, calculate the work done on the elevator by gravity, the work done on the elevator by the cable, the kinetic energy of...
A 25.5 kg block is being pulled by a force F = 241 N up along a rough incline. The coefficient of kinetic friction between the block and the incline is μk = 0.40. The block is pulled through a distance of 27.0 m. Angle is 33 degrees. (a) Solve for the magnitude of the normal force (in Newtons)? -Calculate the work (in Joules) done by the normal force. Pay attention to the angle in the work formula and the...
A cable exerts a constant upward tension of magnitude 2.74 ✕ 104 N on a 2.40 ✕ 103 kg elevator as it rises through a vertical distance of 3.10 m. (a) Find the work done by the tension force on the elevator (in J). ____ J (b)Find the work done by the force of gravity on the elevator (in J). ____J
A cable exerts a constant upward tension of magnitude 2.54 ✕ 104 N on a 2.40 ✕ 103 kg elevator as it rises through a vertical distance of 4.30 m. (a) Find the work done by the tension force on the elevator (in J). J (b) Find the work done by the force of gravity on the elevator (in J). J