(a) A truck or a motor bus has much wider tyres so that their weight gets distributed on a larger area, thus, reducing pressure.
(b) When we swim, water applies upthrust on us, thus we feel lighter.
(a) A truck or a motor bus has much wider tyres so that their weight gets distributed on a larger area, thus, reducing pressure.
(b) When we swim, water applies upthrust on us, thus we feel lighter.