Fmax
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Part (a). P = 0. What is the maximum friction force Fmax that is available for this situation?
Fmax = __________ N
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- A ski lift is pulling a skier up a hill. The coefficient of friction is 0.4. The operators want the lift to bring the skier to the top in 120 s. How much force must the lift winch pull with in order to achieve this? WINCH 500m 35° F=? SKIER MASS = 50 kgA 12kg box is released from the top of the incline that is 5m long and makes an angle of 40 degrees to the horizontal. A 60 N friction force impedes the motion of the box. What will be the acceleration of the box and how long will it take to reach the bottom of the incline?A wooden block experiences a frictional force, f, as it slides across a table. If a block of the same material with half the height and twice the length were to slide across the table, what would be the frictional force it experienced? A. (1/2)fB. fC. 2fD. 4f
- 2. A penguin on a sled starts from rest and slides down a 12.00 hill with a coefficient of sliding friction, pk, for 5.00 m. If the coefficient of friction remains the same at the bottom of the hill the penguin will continue to move for 3.00 m. Determine µk.A child's swing is held up by two massless ropes tied to a tree branch. The distance between the ropes at the top of the swing is less than the distance between the ropes at the bottom, so that the ropes hang 14.01° from the vertical (see the picture). If the tension in each rope is 2.4 N, what is the weight of the swing?Help
- A wooden block experiences a frictional force, f, as it slides across a table. If a block of the same material with half the height and twice the length were to slide across the table, what would be the frictional force it experienced?A. (1/2)fB. fC. 2fD. 4fA stockroom worker pushes a box with mass 11.6 kg on a horizontal surface with a constant speed of 3.40 m/s. The coefficient of kinetic Part A friction between the box and the surface is 0.21. What horizontal force must the worker apply to maintain the motion? Express your answer with the appropriate units. HA ? F = Value Units Submit Request AnswerA cyclist coasts up a 10.0 degree slope, traveling 20.0 m along the road to the top of the hill. If the cyclist’s ini- tial speed is 9.00 m/s, what is the final speed? Ignore friction and air resistance
- A block weighing 38 kg is on an incline with a slope of 17o. If the block is at the verge of sliding down the incline, what is the static frictional force of resistance? A block weighing 25 kg is on an incline with a slope of 28o. If the block is at the verge of sliding down the incline, what is the static friction coefficient?A wooden block experiences a frictional force, f, as it slides across a table. If a block of the same material with half the height and twice the length were to slide across the table, what would be the frictional force it experienced?A. (1/2)fB. fC. 2fD. 4fA mass is on a slope with a coefficient of friction = 0.79. Slowly the angle of the slope is increased. What is the angle in degrees when the mass just starts to slide down the slope?