Newton's Second Law is concerned with unbalanced forces. Unbalanced forces produce acceleration. The greater the unbalanced force the greater the acceleration. This law is usually written as an ...

For the analysis, we will use a moving reference frame attached to the rotating disk. Using this in Newton's 2nd law, we determine the contact force F acting on the particle. It is seen that the ...

This is due to Newton’s first law: object will continue at a constant speed in a straight line unless acted on by an unbalanced force. Car brakes don’t apply force to occupants, so occupants ...