Answer:
3r+5
Step-by-step explanation:
Answer:Force=30N
Step-by-step explanation:Torque of a force on the handle= Torque of weight on the axle.
Torque is the magnitude force that acts perpendicular.
3.5 ×180=21×Force
Force= 3.5×180 /21
Force=630/21
Force=30N
Answer: 66
Step-by-step explanation: 180- 83 - 31