A block of mass m slides down an inclined plane with angle of inclination 30 degree with acceleration (a=g/3). Find the coefficient of friction.
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Q: A block of mass m = 19 kg rests on an inclined plane with a coefficient of static friction of μs =…
A: m = mass of block = 19 kg g = acceleration due to gravity = 9.8 m/s2 L = 6.2 m h = 3.55 m FN =…
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- A horizontal force, F1 = 65 N, and a force, F2 = 13.3 N acting at an angle of θ to the horizontal, are applied to a block of mass m = 3.1 kg. The coefficient of kinetic friction between the block and the surface is μk = 0.2. The block is moving to the right. Solve numerically for the magnitude of the normal force, FN in Newtons, that acts on the block if θ = 30°. Solve numerically for the magnitude of acceleration of the block, a in m/s2, if θ = 30°.A horse pulls a box of mass M = 55 kg across a rough horizontal surface by applying a horizontal force of 874 N.If the coefficient of kinetic friction between the box and the surface is μk = 0.5, what is the acceleration of thebox?A 20kg block is placed on a 30 degree ramp and an acceleration of 4.91m/s^2 is predicted if friction between the block and ramp is ignored. The actual measured acceleration is 3.49m/s^2. Find the Coefficient of friction between the block and the ramp.
- A cable attached to a block of mass 13 kg pulls the block along a horizontal floor at a constant velocity. If the tension in the cable is 5.1 N, what is the coefficient of kinetic friction between the block and the floor?A woman pulls a sled which, together with its load, has a mass of m kg. Let g be the acceleration due to gravity. If her arm makes an angle of theta with her body (assumed vertical) and the coefficient of friction (a positive constant) is mu, the least force, F, she must exert to move the sled is given byA 3.2 kg block is pushed along a horizontal floor by a force of magnitude 32 N at a downward angle θ = 40°. The coefficient of kinetic friction between the block and the floor is 0.26. Calculate the magnitudes of (a) the frictional force on the block from the floor and (b) the block’s acceleration.
- A trunk of mass 30 kg is standing on a horizontal floor. The coefficient of friction between the trunk and floor is 0.3. Find the force that is necessary to keep the trunk sliding over the floor with constant speed.A 6 kg block is sliding down on a rough inclined surface that makes θ = 30° with respect to the horizontal. The kinetic frictional coefficient between the block and the surface is 0.19. Find the acceleration a of the block.A box of books with mass 55 kg rests on the level floor of the campus bookstore. The floor is freshly waxed and has negligible friction. A bookstore worker applies a constant horizontal force with magnitude 25 N to the box. What is the magnitude of the acceleration of the box?