Acertain object is in equilibrium. which one of the following statements is not true?
a. the object has a constant velocity.
b. the object must be at rest.
c. the object has no acceleration.
d. no net force acts on the object.

Answer And Explanation: The equilibrium of an object means that the net force acting on it in the x and y direction are zero indivisually.

2

If the net force is zero, means that the acceleration of the object must be zero.

3

Newton's First Law states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.

4

Since the force acting on it zero, means that the object may be at rest or it may be moving with constant velociy.

RESULT

(a)

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d. No net force acts on the object.

Explanation:

equilibrium - a state in which opposing forces or influences are balanced.

c. rb

explanation:

the atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons.

the answer is b

explanation: