Question

A line of dominos is knocked down. Which explanation is true?

An increase in force caused an increase in acceleration.

An increase in acceleration caused an increase in force.

An increase in acceleration caused a decrease in force.

An increase in force caused a decrease in acceleration.

Answer 1

An increase in acceleration caused an increase in force.

Increase in force can be done by increasing the acceleration and mass both and increase in acceleration will surely increase the force irrespective of the mass of object.