How should tika most likely describe this relationship between force and distance to her study group?

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?

How is the ideal mechanical advantage of a wheel and axle calculated?