![Heilongjiang party secretary Ren Zhongyi being humiliated with a prominent dunce's cap fastened on his head by Red Guards in September 1966 during the Cultural Revolution. (Note he is covered in black Heilongjiang party secretary Ren Zhongyi being humiliated with a prominent dunce's cap fastened on his head by Red Guards in September 1966 during the Cultural Revolution. (Note he is covered in black](https://preview.redd.it/pcyay3sv1l411.jpg?auto=webp&s=fc26d923bb313ae4a7266e3d0c42b0448cb3d62e)
Heilongjiang party secretary Ren Zhongyi being humiliated with a prominent dunce's cap fastened on his head by Red Guards in September 1966 during the Cultural Revolution. (Note he is covered in black
![A vessel with a symmetrical hole in its bottom is fastened on a cart. The mass of the vessel and the cart is 1.5 kg . With what force F(in × 10^2N) A vessel with a symmetrical hole in its bottom is fastened on a cart. The mass of the vessel and the cart is 1.5 kg . With what force F(in × 10^2N)](https://haygot.s3.amazonaws.com/questions/1739541_6c7b6cfec95f442ba8fe6507b0e6633b.png)
A vessel with a symmetrical hole in its bottom is fastened on a cart. The mass of the vessel and the cart is 1.5 kg . With what force F(in × 10^2N)
![A brooch is a small piece of jewellery which has a pin at the back so it can be fastened on a dress, blouse or coat.Designs of some brooch are shown below. A brooch is a small piece of jewellery which has a pin at the back so it can be fastened on a dress, blouse or coat.Designs of some brooch are shown below.](https://d10lpgp6xz60nq.cloudfront.net/question-thumbnail/en_644283234.png)
A brooch is a small piece of jewellery which has a pin at the back so it can be fastened on a dress, blouse or coat.Designs of some brooch are shown below.
![A block whose mass is 2 kg is fastened on a spring whose spring constant is 100 Nm^(-1) . It is pulled to a distance of 0.1 m from over a frictionless A block whose mass is 2 kg is fastened on a spring whose spring constant is 100 Nm^(-1) . It is pulled to a distance of 0.1 m from over a frictionless](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/571226862_web.png)
A block whose mass is 2 kg is fastened on a spring whose spring constant is 100 Nm^(-1) . It is pulled to a distance of 0.1 m from over a frictionless
![Cyclone Spin Kit, 360° Cyclone Swing Spinner Pre-Fastened on 10 ft. Adjustable 5-Panel Non-Stretch Polyester Tree Strap, Single Point Attachment Swings, Dimensional Swinging, Greater Play Value Cyclone Spin Kit, 360° Cyclone Swing Spinner Pre-Fastened on 10 ft. Adjustable 5-Panel Non-Stretch Polyester Tree Strap, Single Point Attachment Swings, Dimensional Swinging, Greater Play Value](https://m.media-amazon.com/images/I/714kH-MG-XL._AC_UF894,1000_QL80_.jpg)