You need to remove a bolt from a metal door. The maximum torque the bolt can withstand before starting to rotate is 7 = 70 N-m. You apply a wrench of m = 0.5 kg and 1 = 0.3 m long. You push down on the right- hand end of the wrench (see diagram). Rusty bolt wrench How much force must you apply to the wrench to just start the bolt turning? You may treat the wrench as a uniform rectangle.