Which simple machine changes the direction of force without changing its magnitude?
Mechanical advantage of an ideal fixed pulley is:
Which simple machine is actually a modified inclined plane?
A wedge works mainly by:
In which class of lever is the load between the fulcrum and effort?
Which of the following is an example of a third-class lever?
If the effort arm of a lever is longer than the load arm, the lever will:
Which simple machine is mainly used to increase speed or distance moved rather than force?
Which of the following combinations gives the maximum mechanical advantage?
The mechanical advantage of a movable pulley is ideally:
Which factor reduces the efficiency of a simple machine?
Which of the following machines is used to obtain a gain in speed?
A screw jack is preferred for lifting heavy vehicles because it:
Which of the following has the highest efficiency?
Which of the following machines always has MA greater than 1?
Quizard
Quizard
