{"id":217763,"date":"2025-05-22T12:49:01","date_gmt":"2025-05-22T12:49:01","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=217763"},"modified":"2025-05-22T12:49:03","modified_gmt":"2025-05-22T12:49:03","slug":"which-of-the-following-units-is-equivalent-to-one-mpa","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/05\/22\/which-of-the-following-units-is-equivalent-to-one-mpa\/","title":{"rendered":"Which of the following units is equivalent to one MPa"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Which of the following units is equivalent to one MPa?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 kN\/m2<br>1 N\/cm2<br>1 kN\/mm2<br>1 N\/m2<br>1 x 106 N\/m2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Let&#8217;s analyze the question:<br><strong>Which of the following units is equivalent to one MPa (megapascal)?<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Options:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 kN\/m\u00b2<\/li>\n\n\n\n<li>1 N\/cm\u00b2<\/li>\n\n\n\n<li>1 kN\/mm\u00b2<\/li>\n\n\n\n<li>1 N\/m\u00b2<\/li>\n\n\n\n<li>1 \u00d7 10\u2076 N\/m\u00b2<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Understanding the unit MPa<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>MPa (megapascal)<\/strong> is a unit of pressure or stress in the International System of Units (SI).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 Pa (pascal) = 1 N\/m\u00b2 (one newton per square meter)<\/li>\n\n\n\n<li>1 MPa = 1,000,000 Pa = 10\u2076 Pa = 10\u2076 N\/m\u00b2<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">So, 1 MPa = 1,000,000 newtons per square meter.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Analyze each option<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>1 kN\/m\u00b2<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 kN = 1,000 N<\/li>\n\n\n\n<li>So, 1 kN\/m\u00b2 = 1,000 N\/m\u00b2<\/li>\n\n\n\n<li>This is <strong>not<\/strong> equal to 1,000,000 N\/m\u00b2 (1 MPa), but much smaller.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>1 N\/cm\u00b2<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Convert N\/cm\u00b2 to N\/m\u00b2:<\/li>\n\n\n\n<li>1 cm = 0.01 m, so 1 cm\u00b2 = (0.01 m)\u00b2 = 0.0001 m\u00b2<\/li>\n\n\n\n<li>Therefore, 1 N\/cm\u00b2 = 1 N per 0.0001 m\u00b2 = 1 \/ 0.0001 N\/m\u00b2 = 10,000 N\/m\u00b2<\/li>\n\n\n\n<li>This equals 10 kPa, which is <strong>not<\/strong> 1 MPa.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>1 kN\/mm\u00b2<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 kN = 1,000 N<\/li>\n\n\n\n<li>1 mm = 0.001 m, so 1 mm\u00b2 = (0.001)\u00b2 = 1 \u00d7 10\u207b\u2076 m\u00b2<\/li>\n\n\n\n<li>1 kN\/mm\u00b2 = 1,000 N per 1 \u00d7 10\u207b\u2076 m\u00b2 = 1,000 \u00d7 10\u2076 N\/m\u00b2 = 10\u2079 N\/m\u00b2<\/li>\n\n\n\n<li>This equals 1 GPa (gigapascal), which is much larger than 1 MPa.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>1 N\/m\u00b2<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>This is just 1 Pa, very small compared to 1 MPa (which is 1 million Pa).<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>1 \u00d7 10\u2076 N\/m\u00b2<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>This is exactly 1,000,000 N\/m\u00b2, which equals 1 MPa.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Correct Answer: 1 \u00d7 10\u2076 N\/m\u00b2<\/strong><\/h3>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation (300 words):<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The unit <strong>megapascal (MPa)<\/strong> is widely used in engineering and physics as a measure of pressure or stress. It represents one million pascals (Pa), and 1 Pa is defined as one newton per square meter (N\/m\u00b2). The pascal itself measures the force (in newtons) applied uniformly over an area (in square meters). Therefore, to understand which of the given options is equivalent to one MPa, we need to convert each option into the base unit of N\/m\u00b2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Starting with the simple conversions: 1 kN\/m\u00b2 is 1,000 N\/m\u00b2, which is far smaller than 1,000,000 N\/m\u00b2 (1 MPa). Similarly, 1 N\/cm\u00b2 converts to 10,000 N\/m\u00b2 because one square centimeter is 0.0001 square meters, making this unit smaller than 1 MPa as well. On the other hand, 1 kN\/mm\u00b2 translates into 1,000 N per 1 square millimeter, which is 1,000 N per 1 \u00d7 10\u207b\u2076 m\u00b2, or 1,000 \u00d7 10\u2076 N\/m\u00b2, which equals 1 gigapascal (GPa), much larger than 1 MPa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The unit 1 N\/m\u00b2 equals one pascal, which is much smaller than 1 MPa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Only <strong>1 \u00d7 10\u2076 N\/m\u00b2<\/strong> directly corresponds to 1 MPa because this matches the exact definition of the megapascal \u2014 one million pascals.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In summary, understanding unit conversions and the meaning behind the pressure units helps identify that <strong>1 \u00d7 10\u2076 N\/m\u00b2<\/strong> is the correct equivalent to one MPa. This knowledge is crucial in fields such as material science, mechanical engineering, and fluid mechanics, where precise pressure and stress measurements are fundamental for safety and performance assessments<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/05\/image-62.png\" alt=\"\" class=\"wp-image-217764\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following units is equivalent to one MPa? 1 kN\/m21 N\/cm21 kN\/mm21 N\/m21 x 106 N\/m2 The Correct Answer and Explanation is: Let&#8217;s analyze the question:Which of the following units is equivalent to one MPa (megapascal)? Options: Step 1: Understanding the unit MPa MPa (megapascal) is a unit of pressure or stress in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-217763","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/217763","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=217763"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/217763\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=217763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=217763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=217763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}