A force acts upon an object at a 90-degree angle to the direction that it is moving. This force is doing work upon the object. a positive negative C no

A 1.77 kg book slides 1.25 m along a level surface. The coefficient of kinetic friction between book and surface is 0.145 Part A Find the work done by friction Express your answer with the appropriate units. ? HA Value Units W = Request Answer Submit

The two ropes shown in the bird's-eye view of the figure are used to drag a crate 5.8 m across the floor. How much work is done by the force fk→?Express your answer with the appropriate units. How much work is done by the force T1→?Express your answer with the appropriate units. How much work is done by the force T2→?Express your answer with the appropriate units.

1. Calculate the work done on the suitcase by  F→. Express your answer with the appropriate units. 2. Calculate the work done on the suitcase by the gravitational force. Express your answer with the appropriate units. 3.Calculate the work done on the suitcase by the normal force. Express your answer with the appropriate units. 4. Calculate the work done on the suitcase by the friction force. Express your answer with the appropriate units. 5. Calculate the total work done on the suitcase. Express your answer with the appropriate units. 6. If the speed of the suitcase is zero at the bottom of the ramp, what is its speed after it has traveled 3.90 mm along the ramp? Express your answer with the appropriate units.