A jet of water enters and leaves a fixed curved vane tangentially. The force of the jet along normal to the vane is (where and = Inlet and outlet angles of the jet respectively)

• A. <img src="/_files/images/mechanical-engineering/hydraulic-machines/191-5-1.png">
• B. <img src="/_files/images/mechanical-engineering/hydraulic-machines/191-5-2.png">
• C. <img src="/_files/images/mechanical-engineering/hydraulic-machines/191-5-3.png">
• D. <img src="/_files/images/mechanical-engineering/hydraulic-machines/191-5-4.png">