A jack can be used to support a lifted load. Once the load has been lifted, the jack should be able to support the load for long periods of time: A. True B. False

A lift with a mass 1200 kg is raised from rest by a cable with a tension 1350 kg-f. After some time thetension drops to 1000 kg-f and the lift comes to rest at a height of 25 m above its initial point.

Technician A says there are two common types of hydraulic jacks: the floor jack and bottle jack. Technician B says you should make sure the vehicle is on a level surface before using a jack. Which technician is correct?

When lifting heavy object you should:Group of answer choicesKeep your arms extended so the object is away from your body at all timesKeep on hand free at all timesKeep your back slightly bent at all timesMake sure that your leg muscles, not your back muscles, do the liftin

needs or conditions that make lifting difficult.

You are installing an additional under body engine guard/safety guard on your vehicle. You are using a jack to raise the vehicle, but the jack slips and the vehicle falls. What would you do in this situation? (in about 30 – 40 words)