On a cold rainy day, your car battery is dead, and you must push the car to move it and get started. Why can't you move the car by remaining on your seat inside and pushing against the dashboard?

Part of a control linkage for an airplane consists of a rigid member cb and a flexible cable ab. if a force is applied to the end b of the member and causes it to rotate by θ = 0.5°, determine the normal strain in the cable. originally the cable is unstretched.