Torque and Chrome

PHYSICS PROBLEMS I NEED HELP.I DID ATTEMPT! 10 PT.S TO BEST ANSWER?

1.A tractor wheel has a radius of .84m. How far does a point on the wheels edge move when the wheel is rotated through an angle at 67degrees? 2.In order for a bolt to be tightened, a torque of 45.0N-m is needed. You use a 0.341-m long wrench and you exert a maximum force of 189 N. What is the smallest angle with respect to wrench, at which you can exert this force and still tighten the bolt? 3. Chloe, whose mass is 56kg sits 1.2m from the center of a seesaw, josh whose mass is 84 kg, wants to balance Chloe, where should he sit?

Public Comments

1. I can help with #1 but you're on your own with the other two! It's been about 4 years since I had a Physics class! First you will convert the radius to circumference then divide the circumference by 360 (because a circle is 360 degrees). Once you have this answer then multiply it by 67 (the degree of the angle that the wheel is rotated). Hope it helps!!