An 1130 - kg car is held in place by a light cable on a very smooth ramp. The cable makes an angle of 31.0° above the surface of the ramp, and the ramp itself makes a 25.0° angle above the horizontal. A. Find the tension in the cable. B. How hard does the surface of the ramp push on the car?

The dipole moment of the water molecule (h2o) is 6.17x10^-30 c. m. consider a water molecule located at the origin whose dipole moment p points in the +x-direction. a chlorine ion ( of charge-1.60x10^-19c , is located at x=3.00x10^-9m . assume that is much larger than the separation d between the charges in the dipole, so that the approximate expression for the electric field along the dipole axis can be used. a) find the magnitude of the electric force that the water molecule exerts on the chlorine ion. b) what is the direction of the electric force. -x-direction or +x-direction c) is this force attractive or repulsive?