9. Tim exerted a force of 400 newtons on a box but was unable to move it. How much work was done?
i’m dying pls help

Akg a of 55 m at an of 11 ? . if is at 98 km/h, be ?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?