Torque Practice Name: Hr.
1. If a torque of 55.0 N·m is required to turn a bolt and the largest force you can exert is 135 N, how long a lever arm must you use to turn the bolt?
2. You have a 0.234-m-long wrench. A job requires a torque of 32.4 N·m, and you can exert a force of 202 N.
a. What is the smallest angle, with respect to the handle of the wrench, at which you can pull on the wrench and get the job done?
b. A friend can exert 285N .What is the smallest angles he can use to accomplish the job?
3. You stand on a bicycle pedal. Your mass is 65 kg. If the pedal makes an angle of 35° above the horizontal and the pedal is 18 cm from the center of the chain ring, how much torque would you exert?
