a. State what is meant by:
i. A couple
ii. Torque.
b. The engine of a car produces a torque of 200 N m on the axle of the wheel in contact with the road. The car travels at a constant velocity towards the right:

i. Copy the diagram of the wheel and show the direction of rotation of the wheel, and the horizontal component of the force that the road exerts on the wheel.
ii. State the resultant torque on the wheel. Explain your answer.
iii. The diameter of the car wheel is 0.58 m. Determine the value of the horizontal component of the force of the road on the wheel.

Transcribed Image Text:

axle ground Figure 4.34