good!kooh said:I got sqrt of 23.52 for the initial velocity when he is standing up straight
you multiplied it by his mass, not his weight, and what you ended up with was the net force acting on him during the 30 cm 'squat' motion. But the net force includes both the force of the ground pushing up on him and his weight acting down on him. You need to separate out the 2 to find the pushing force of the ground on him.As for the force he applied when lifting the 30 cm after crouching I got,
3214.4N
for the 3214.4N , I found the acceleration he had during the 30 cm or .3m then multiplied it by his weight. I had v1 as 0 for this part.
Not sure if its 100% right tho
Force when jumping is the amount of energy or strength that is exerted by the muscles when a person jumps. It is a combination of the force of gravity and the force generated by the muscles in the legs.
The force when jumping is affected by several factors such as the height of the jump, the weight of the person, the strength and power of the leg muscles, and the speed of the jump.
Force when jumping is important for many activities such as sports, dance, and gymnastics. It allows a person to generate enough power and momentum to perform a successful jump. It also helps to prevent injuries by absorbing the impact of the landing.
To increase the force when jumping, you can work on strengthening your leg muscles through exercises such as squats, lunges, and calf raises. You can also improve your jumping technique and practice jumping with proper form.
The force when jumping is directly proportional to the height of the jump. This means that the higher you want to jump, the more force you need to generate. However, there is a limit to how much force your muscles can produce, so increasing the height of the jump also requires proper technique and form.