Which of the following is a cause for limitations of scientific models?
a. they are never based on experimentation.
b. they are used for prediction.
c. it is not possible to change scientific models.
d. they are based on current knowledge.?

As a pendulum moves closer to the equilibrium position, how do the velocity, acceleration, and force change? the velocity decreases, the acceleration decreases, and the net force decreases. the velocity increases, the acceleration decreases, and the net force decreases. the velocity increases, the acceleration increases, and the net force decreases. the velocity decreases, the acceleration increases, and the net force increases.