
7-2 Conservation of Momentum
... a system that F is free from the influence of a net external force that alters the momentum of the system. There are two criteria for the presence of a net external force; it must be... • a force that originates from a source other than the two objects of the system • a force that is not balanced by ...
... a system that F is free from the influence of a net external force that alters the momentum of the system. There are two criteria for the presence of a net external force; it must be... • a force that originates from a source other than the two objects of the system • a force that is not balanced by ...
MOMENTUM!
... If you throw a rock forward from a skateboard, you will move backward in response. ...
... If you throw a rock forward from a skateboard, you will move backward in response. ...