A 24.0 kg crate sits on the ground. E a) What is the magnitude of the normal force on the crate? b) The same 24.0 kg crate is suspended from the ceiling by a cable. What is the tension in the cable? c) To get the crate from the ground in (a) to the cable in (b), Bob lifts it at a constant rate of 2.00 m/s. What is Bob's upward force on the crate while lifting it?