qinghua@qinghuakj.com

QINGHUA SCIENCE & EDUCATION EQUIPMENT CO.,LTD.
QINGHUA ELECTRONIC INSTRUMENT CO.,LTD.

Search

Thousands of teaching equipment and popular science instruments

a powerful assistant for teacher teaching

QINGHUA

  • Our product classification

    Our Products

    Physiology
    Physiological model
    Biology
    Biological model
    Specimen
    Specimen
    Science
    Science resource box
    Microscope
    Microscope
    Online customer service
    Customer service hotline
    86-574-65335615
    Customer service team:
    Service
    QQ:
    WhatsApp:
    Service time:
    8:00 - 18:30

    Ningbo Qinghua Science & Education Equipment Co.,Ltd. is the member of the teaching apparatus line association , being subordinate to the National Education Ministry , and the leading enterprise in ZheJiang teaching apparatus . 

    Products series

    News Center

    Structure and working of newtons cradle balance balls
    The newtons cradle balance balls have undergone several renovations over the years. However, the basic outline remains the same and is very simple.
    How newtons cradle balance balls work
    Each ball has the same properties (size, weight, mass and density) and is suspended by two lines of equal length. Lean from either side of the wireframe to form an inverted bottomless triangle with the ball. They also help limit the pendulum's motion to a single plane parallel to the frame bars.

    newtons cradle balance balls

    Follow us

    15#, Kesan Road,Science and technology area ninghai county, Ningbo China.
    Email:
    qinghua@qinghuakj.com

    Get our latest news

    Copyright © 2018 cnqhkj.com Inc. All rights reserved.  浙ICP备12047550号   Powered by www.300.cn ningbo

    Subscription