The weight of the cupboard and its content is 75N. G is the position of the centre of mass of the cupboard. the clockwise and anticlockwise moments about point p are equal

Calculate the force F exerted by the screw ​

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?