use of a jack stand\nalways place a jack stand(s) under a jack - up vehicle in case the jack fails to…

use of a jack stand\nalways place a jack stand(s) under a jack - up vehicle in case the jack fails to support the vehicle. the jack stand prevents the vehicle from damage and the person working on the vehicle from being injured.\ncheck to ensure the floor is suitable to use a jack and stands. the floor should be level and firm; so the risk of the vehicle falling or sinking is minimal.\nposition the jack stand under a load bearing part of the chassis. neglecting this might cause the cup of the jack stand to damage the vehicle; as well as cause the vehicle to be unstable.\nif the suitability of a jacking/support point is in question, consult the vehicle service information.\nwhy is it important to support a jacked - up vehicle with a jack stand(s)?\na jack can only support the weight of the vehicle temporarily.\nthe jack stand takes the vehicle load if something goes wrong with the jack.\nthe jack cannot support the weight of the vehicle on its own.

use of a jack stand\nalways place a jack stand(s) under a jack - up vehicle in case the jack fails to support the vehicle. the jack stand prevents the vehicle from damage and the person working on the vehicle from being injured.\ncheck to ensure the floor is suitable to use a jack and stands. the floor should be level and firm; so the risk of the vehicle falling or sinking is minimal.\nposition the jack stand under a load bearing part of the chassis. neglecting this might cause the cup of the jack stand to damage the vehicle; as well as cause the vehicle to be unstable.\nif the suitability of a jacking/support point is in question, consult the vehicle service information.\nwhy is it important to support a jacked - up vehicle with a jack stand(s)?\na jack can only support the weight of the vehicle temporarily.\nthe jack stand takes the vehicle load if something goes wrong with the jack.\nthe jack cannot support the weight of the vehicle on its own.

Answer

Brief Explanations:

A jack is a temporary - use device for lifting a vehicle. A jack stand is needed as a backup support in case the jack fails, since a jack alone cannot safely support the vehicle's weight for an extended period.

Answer:

A. A jack can only support the weight of the vehicle temporarily. B. The jack stand takes the vehicle load if something goes wrong with the jack.