Whose value can be zero for a moving particle

Which of the folowing can be zero, when a particle is in motion for some time ?

Which of the folowing can be zero, when a particle is in motion for some time ?

Assertion: The minimum number of non-coplanar Vectors whose sum can be zero, is four Reason: The resultant of two vectors of unequal magnitude can be zero.

Statement-1: Non zero work has to be done on a moving particle to change its momentum. Statement-2 : To change momentum of a particle a non zero net force should act on it.

The displacement-time graph of a moving particle is shown in the figure. The velocity of the particle is zero at the point ______.

The acceleration of a particle is zero as measured from an inertial frame of referecne. Can we conclude that no force acts on the particle?

The acceleration of a particle is zero as measured from an inertial frame of reference. Can we conclude that no force acts on the particle?

The acceleration of a particle is zero as measured from an inertial frame of reference. Can we conclude that no force acts on the particle?

Average velocity becomes zero, if a particle move in this way of points.

Can the value of alpha be zero? Give two example.