Web Analytics
Answered

A car jack allows you to lift up a heavy car. The car jack works because

Ayou apply a greater force over a longer distance.
Byou apply a smaller force over a longer distance.
Cyou apply a greater force over a shorter distance.
Dyou apply a smaller force over a shorter distance.

Verified Answer :

HippieCountryGirl
CWhen using a jack you use your strength in short bursts to lift the car.
onyebuchinnaji

The car jack works because you apply a greater force over a shorter distance.

What is efficiency of a machine?

The efficiency of a machine is the ability of a machine to perform a task with a least possible amount of effort.

When an effort is applied over a small distance to overcome a load over a larger distance, we conclude that such device is machine because it helps to perform a task faster and more efficiently.

Thus, the car jack works because you apply a greater force over a shorter distance.

Learn more about machines here: https://brainly.com/question/16968095

#SPJ2

Related Questions