When a cold front overruns a warm front, trapping it against another cold air mass, it produces

Occluded Front

Explanation: In case of an occluded front, the cold front completely replaces the warm front from its ground surface and temperature drops down very effectively.

            Also when a warm front is trapped in between two cold front, then it shows the characteristics of an occluded front, thereby converting all of its warm air into cold air and makes the environment cold.

answer; ///i believe that the correct answer is (45*) at a 45 degree check first good

the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement