If a Mack truck and Honda Civic have a headon collision, upon which vehicle is the impact force greater and which vehicle experiences the greater acceleration? 1. The forces are the same; the truck experiences the greater acceleration. 2. The force on the truck is greater; the accelerations are the same. 3. All are wrong. 4. The forces are the same; the Civic experiences the greater acceleration. 5. The forces are the same; the accelerations are same.