A block of mass 7 kg rests on a rough horizontal plane, the coefficient of friction between the block and the plane is 0.7. A horizontal force P acts on the block as shown in the diagram.Calculate the acceleration when P=60 N∴1/y 相关知识点: 试题来源: 解析 1.7 ms-1 反馈 ...
3. A block A of mass 9 kg is released from rest from a point P which is a height h metres above horizontal soft ground. The block falls and strikes another block B of mass 1.5 kg which is on the ground vertically below P. The speed of A immediately before it strikes B is 7 m...
A16N B20N C8N D10NSubmit A block of mass 1 kg is placed on a truck which accelerates with acceleration 5ms−2. The coefficient of static friction between the block and truck is 0.6. The frictional force acting on the block is A5 N B6 N C5.82 N D4.6 NSubmit ...
A block of mass 7.5 kg hangs from a wire as shown in the figure. A spring of stiffness 3500 N/m pushes it away from the wall. The angleθis 57 degrees. (a) Draw a free-body diagram showing all the forces on the block.
Step by step video, text & image solution for A block of mass 1 kg is just fit in a groove in a platform kept horizontally.Groove is along + ve x -axis.The platform is given acceleration vec( a) = 2 hat( i) +3 hat(j) m//s^(2). If block is not slipping on platform the...
【题目】 A block of mass 25 kg, is at rest on a rough horizontal floor. The coefficient of friction between the block and the floor is 0.4. A force of F N is pulling the block at an angle of20° to the horizontal. The block is on the point of sliding.Find the value of F.F25...
A block A of mass 5 kg is lying on a smooth horizontal table. A light inextensible string connects A to a block B of mass 4 kg which hangs freely over a smooth pulley at the edge of the table Find the acceleration of the system and the tension in the string. Figure.A B 相关知...
Class 12 PHYSICS A block of mass 1 kg is released on wedg... A block of mass 1 kg is released on wedge from position M as shown in figure (Neglect friction everywhere). The force exerted by vertical wall W on wedge, when the block is at position N is 152√P newton, then what ...
The figure below shows a block with massm1=4.00kg,which is released from rest at point A on a track with negligible friction, at a height of5.00m above the level part of the track. A block with massm2=21.5kgsits at pointB...
View Solution A block of mass 10 kg is suspended throug two light spring balances as shown in figure View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep,...