Name the force which is responsible for change in position or state of an object
Which of the following statement(s) about motion is/are true? Statement 1: Motion of an object is relative to the position of another object. Statement 2: Change in state of motion of an object is the result of an external force. Statement 3: Motion of an object is change of position of the object with respect to time.
Name a machine which is responsible for changing the point of application of force.