Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the wp_all_import_jetengine_add_on domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/wp_websites/public_html/wp-includes/functions.php on line 6121 Machines Tops #22 (grades 7-12) – HCOS + Flex | Learning Commons

Machines Tops #22 (grades 7-12)

Employ the TOPS advantage: build fun stuff with simple things. Devise levers, pulleys, reinvent the wheel, check gear ratios, calculate horsepower, win a tug-of-war. Use spring scales to weigh loads, measure effort, and calculate efficiency. Discover that machines save effort, but never reduce work!

Ex library book

Original price was: $16.00.Current price is: $5.00.