Two cardboard boxes full of books are in contact with each other on a frictionless table. Box $H$ has twice the mass of box $G.$ If you push on box $G$ with a horizontal force $F,$ then box $H$ will experience a net force of

An Olympic diver dives off the high-ding platform. The magnitude of his momentum will be a maximum at point

What is the magnitude of the impulse of force shown in the following figure?

What is the impulse of force shown in the following figure?

A $0.5 \mathrm{kg}(4.9 \mathrm{N})$ book rests on your desk. An additional force $F=1.1 \mathrm{N}$ is applied on this book in vertically downward direction. Normal reaction on this book will be?