Question

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MacBook Ain Exam 1 May 27, 2016 Physics 255-University Physics I A) 3.40x103J B) -3.40x103J C) 0 J D) 6.80x103 J 4 29) Torque: A solid dot shown in Figure below is a pivot point. The 1-meter long board can rotate about the pivot. Calculate magnitude of the torque of the force F (F-10 N) applied in the middle of the board as shown in Figure below. 300 A) 10 Nm B) 5 Nm C) 2.5 Nm D) 98 Nmm 30) Equilibrium: A 10 kg cat (Garficld type) is placed at the end of the 6.0 m long seesaw of figure shown below. Where should we place 15 kg tuna fish in order for the scesaw to be in equilibrium (find X). 10 kg 15 kg 3 m 3 m A) 1 m B) 1.5 m C) 2 m D) 2.5 m E) 3 m 31) Equilibrium: A 10 kg cat (Garfield type) and 15 kg tuna are placed on the 6.0 m long seesaw of figure shown below. Find the normal force acting on the seesaw? 10 kg 15 kg 3 m 3 m A)ON B) 98 N

Answer 1

O2 CO kuna birt1 、Bo be plaud at am t.nm 61