Question

A body is said to be in dynamic equilibrium if:

• A. When it is in uniform motion along a straight line
• B. When it is moving with changing acceleration
• C. When it is in uniform motion along a circular path
• D. When it possess instantaneous velocity

Answer 1

The correct option is A When it is in uniform motion along a straight line

Dynamic equilibrium is what, where net force on the body is zero but body moves.

In case a body moves along a straight line, its gravitational force is balanced out but it keeps moving with uniform velocity.