This question is based upon the figure shown below

Given the information in the above diagram,how much force is required at Point C in order to lift the weight at Point B?.

 

A circular portion of the 20 cm radius is cut from a rectangular steel sheet of 50 cm x 60 cm. What is the area of the remaining portion of the sheet?

Which choices (1 to 4) would correctly fill the missing space?

How much weight must be placed at point D in order to balance the lever?

A bolt or a nut is tightened by turning it in a clockwise direction and loosened by turning it counterclockwise. What type of threads do bolts or nuts have?

The diagram above shows four slides made of the same material. The same kind of ball is thrown down each slide at the same time and at the same velocity. From

Description: https://www.expertrating.com/qimages/Mechanical-IQ-Images17.jpg Use your mechanical measurement skills to visually judge which combination of hooks in the above diagram will hold the board A properly on board B.

A force of 15 lbs compresses springs arranged in a linear series of 24 cm each. If the same force of 15 lbs is applied to parallel springs, the springs will be compressed by _____________________.

If each arrow in the above diagram represents an equal number of students moving on a path, then which path is the most crowded?

Which arrow will have the maximum mechanical advantage (ratio of load lifted to effort applied) of lifting the load of 30 lbs most efficiently?

With which of the screwdrivers in the diagram above will it be possible to unscrew the screw most efficiently such that equal amount of force is exerted on the handle of the screwdriver.