A block of mass 25 kg is raised by a 50kg man in two different ways as shown in fig. what is the action on the floor by the man in the two cases? If the floor yields to a normal force of 700N, which mode should the man adopt to lift the block without the floor yielding?
- November 27, 2020
- Category: Chapter 4 - Laws of Motion , NCERT Exemplar Class 11 , Physics ,
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A block of mass 25 kg is raised by a 50 kg man in two different ways as shown in Fig. 6.94. What is the action on the floor by the man in the two cases? If the floor yields to a normal force of 700
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In Fig. 6.107, the man and the platform together weigh 950 N. The pulley can be treated as frictionless. Determine how hard the man to pull on the rope to lift himself upward above the ground
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