24. An elevator is moving vertically up with an acceleration a. The force exerted on the floor by a passenger of mass m is (a) mg (b) ma (c) mg - ma (e) none of these (d) mg + ma

Given :-

To Find :-

Solution :-

As the man is in a accelerated frame that is non inertial frame , we would have to think of a pseudo force .

For the FBD refer to the attachment . From that ,

Hence option d is correct choice .

I hope this helps .

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.