Ahydraulic system for a dentist's chair is designed to be able to lift 3,112 newtons. the surface area over which this force is applied is 707 cm2. what force must be applied to the activator end of the system if the button has a surface area of 3.14 cm2? 700,700 n 1.41 n 0.0724 n 13.8 n

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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