a truck at rest does not require any attention when parked along a roadside. But a moving truck, even at speeds as low as 5m s ,may kill a person standing in its path. A small mass , such as a bullet may kill a person when fired from a gun. Why
Dear Student,
During the motion of the body if momentum changes then a force will be applied on the body due to which a moving truck, and bullet may kill a person because in both the cases momentum changes during the hit and a force is applied on both the person and other object.
During the motion of the body if momentum changes then a force will be applied on the body due to which a moving truck, and bullet may kill a person because in both the cases momentum changes during the hit and a force is applied on both the person and other object.