372146 A stone weighing \(1 \mathrm{~kg}\) and sliding on ice with a velocity of \(2 \mathrm{~m} / \mathrm{s}\) is stopped by friction in \(10 \mathrm{~s}\). The force of friction (assuming it to be constant) will be

372147 A box of mass \(10 \mathrm{~kg}\) is placed near the rear end of a long flat trolley such that it is \(2 \mathbf{~ m}\) from the rear end of the trolley. The coefficient of friction between the box and the trolley surface is 0.2 , starting from rest, the trolley is given a uniform acceleration of \(3 \mathrm{~m} / \mathrm{s}^{2}\). How much distance the trolley will cover by the time the box fall off from the trolley \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\) ?

372148 A horizontal force of \(10 \mathrm{~N}\) is necessary to just hold a block stationary against a wall. The coefficient of friction between block and wall is 0.2. The weight of the block is

372149 A body is moving along a rough horizontal surface with an initial velocity of \(10 \mathrm{~ms}^{-1}\). If the body comes to rest after travelling a distance of \(12 \mathrm{~m}\), then the coefficient of sliding friction will be

372146 A stone weighing \(1 \mathrm{~kg}\) and sliding on ice with a velocity of \(2 \mathrm{~m} / \mathrm{s}\) is stopped by friction in \(10 \mathrm{~s}\). The force of friction (assuming it to be constant) will be

372147 A box of mass \(10 \mathrm{~kg}\) is placed near the rear end of a long flat trolley such that it is \(2 \mathbf{~ m}\) from the rear end of the trolley. The coefficient of friction between the box and the trolley surface is 0.2 , starting from rest, the trolley is given a uniform acceleration of \(3 \mathrm{~m} / \mathrm{s}^{2}\). How much distance the trolley will cover by the time the box fall off from the trolley \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\) ?

372148 A horizontal force of \(10 \mathrm{~N}\) is necessary to just hold a block stationary against a wall. The coefficient of friction between block and wall is 0.2. The weight of the block is

372149 A body is moving along a rough horizontal surface with an initial velocity of \(10 \mathrm{~ms}^{-1}\). If the body comes to rest after travelling a distance of \(12 \mathrm{~m}\), then the coefficient of sliding friction will be

372146 A stone weighing \(1 \mathrm{~kg}\) and sliding on ice with a velocity of \(2 \mathrm{~m} / \mathrm{s}\) is stopped by friction in \(10 \mathrm{~s}\). The force of friction (assuming it to be constant) will be

372147 A box of mass \(10 \mathrm{~kg}\) is placed near the rear end of a long flat trolley such that it is \(2 \mathbf{~ m}\) from the rear end of the trolley. The coefficient of friction between the box and the trolley surface is 0.2 , starting from rest, the trolley is given a uniform acceleration of \(3 \mathrm{~m} / \mathrm{s}^{2}\). How much distance the trolley will cover by the time the box fall off from the trolley \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\) ?

372148 A horizontal force of \(10 \mathrm{~N}\) is necessary to just hold a block stationary against a wall. The coefficient of friction between block and wall is 0.2. The weight of the block is

372149 A body is moving along a rough horizontal surface with an initial velocity of \(10 \mathrm{~ms}^{-1}\). If the body comes to rest after travelling a distance of \(12 \mathrm{~m}\), then the coefficient of sliding friction will be

372146 A stone weighing \(1 \mathrm{~kg}\) and sliding on ice with a velocity of \(2 \mathrm{~m} / \mathrm{s}\) is stopped by friction in \(10 \mathrm{~s}\). The force of friction (assuming it to be constant) will be

372147 A box of mass \(10 \mathrm{~kg}\) is placed near the rear end of a long flat trolley such that it is \(2 \mathbf{~ m}\) from the rear end of the trolley. The coefficient of friction between the box and the trolley surface is 0.2 , starting from rest, the trolley is given a uniform acceleration of \(3 \mathrm{~m} / \mathrm{s}^{2}\). How much distance the trolley will cover by the time the box fall off from the trolley \(\left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right)\) ?

372148 A horizontal force of \(10 \mathrm{~N}\) is necessary to just hold a block stationary against a wall. The coefficient of friction between block and wall is 0.2. The weight of the block is

372149 A body is moving along a rough horizontal surface with an initial velocity of \(10 \mathrm{~ms}^{-1}\). If the body comes to rest after travelling a distance of \(12 \mathrm{~m}\), then the coefficient of sliding friction will be