CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

Which of the following is/are characteristics of an efficient machine?


  1. In lifting heavy load by using less effort.

  2. Loss in speed.

  3. Changing the direction of effort.

  4. Both A and C


Solution

The correct options are
A

In lifting heavy load by using less effort.


C

Changing the direction of effort.


The four ways in which machines are useful to us are:
1. In changing the point of application of force to a convenient point.
2. In changing the direction of effort to a convenient direction.
3. In lifting heavy load by using less effort.
4. For obtaining a gain in speed.

flag
 Suggest corrections
thumbs-up
 
0 Upvotes



footer-image