What feature on a DMM is used to override or defeat the autoranging function

range selection lock feature

Explanation:

This feature locks  the meter at a particular range. The range selection lock defeats the

meter’s normal autoranging function, which can become confused if

electrical noise or other signal pulses are present on nearby circuits or

conductors.

b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.