Re: Newtons 3 laws help

    Dropping a tennis ball. The ball doesn't just hang in the air
    because an unbalanced force (gravity) pulls it toward the
    ground. You can calculate the force with which it will hit
    the ground based on its mass time times the acceleration of
    gravity (2nd Law). It will bounce up because the floor will
    push back with the opposite force with which it falls. (3rd

    On 1/30/13, Newtons 3 laws wrote:
    > Can you give me simple hands on activities to show Newtons
    > 3 laws of motion? Something that can be done in 2 to 3
    > minutes