Recent content by slyskittle

if someone was standing on a skateboard at rest and then jumped off, how would you calculate the person's horizontal jumping speed (if the skateboard rolled in the opposite direction). what information would i need? (the masses of the person and the skateboard and the speed which the skateboard...

are the two forces: mg (pushing downwards) and tension (pushing up)? is the tension in each rope just half of the downwards force? or do i solve this question differently to how i approach two vertical ropes?

Homework Statement a box (10kg) is suspended by a pair of v-shaped ropes, each at an angle of 42 degrees, with the ceiling. what is the tension in the pair of ropes Homework Equations ?? The Attempt at a Solution ?? I'm not sure how to do this question at all!