Three forces act on an object. two of the forces are at an angle of to each other and have magnitudes n and n. the third is perpendicular to the plane of these two forces and has magnitude n. calculate the magnitude of the force that would exactly counterbalance these three forces.

Avoltage source vs = 10 v is in series with a resistor of 10 kohm. if the source transformation theorem is applied, what will the value of the current source be in ma ?

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

An engineer designs a roller coaster so that a car travels horizontally for 152 ft, then climbs 137 ft at an angle of 34.0° above the horizontal. it then moves 137 ft at an angle of 48.0° below the horizontal. if we take the initial horizontal motion of the car to be along the +x-axis, what is the car's displacement? (give the magnitude of your answer, in ft, to at least four significant figures and give the direction of your answer in degrees counterclockwise from the +x-axis.)