Consider this situation: A moving shuffle board disk skids to a stop across an asphalt surface. Of the forces listed, identify which act upon the disk. Tap to select the forces that are present. Normal Gravity Applied Friction Tension Air Resistance
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- During a physics inquiry, you place a 0.250kg dynamics cart on a ramp inclined at 25.0 degrees to the horizontal. The cart is initially at rest, before you pull it up the ramp with a force sensor. The force sensor exerts a force on the cart parallel to the ramp. The coefficient of friction is 0.300. Determine the force to pull the cart up the ramp at an acceleration of 1.50 m/s/s. Include a force diagram.Three objects are connected as shown in the figure. The strings and frictionless pulleys have negligible masses. The coefficient of kinetic friction is 0.25 and static friction is 0.30. Block A has a mass of 3 kg and block B has a mass of 4 kg. a) What is the maximum mass block C can have before block B will start to move? b) If block C has a mass of 7 kg. and was 1 m above the ground, how long would it take block C to hit the ground starting from rest?A student measures the ANGLE of the incline to be TOO SMALL. How will this effect the student's value of the coefficient of kinetic friction? The value will be too large The value will be too small The value will be unchanged
- A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.482 and the coefficient of kinetic friction is 0.262. How much force is needed to keep the book moving at a constant speed once it begins moving?a rock climber on a rock slab. The coefficient of kinetic friction between the climber's rock climbing shoes and the rock is 0.70. If the climber slide down the rock starting from rest, the amount of time it will take the climber to slide to the edge of the rock slab is? distance=16.4 m and theta is 68 degrees.A 40 N box is resting on a table when a 20 N force is applied to it horizontally. The coefficients of static and kinetic friction are 0.3 and 0.1, respectively. Which of the following best describes the resulting motion of the box? The motion of the box cannot be determined with the given information. The box accelerates in the direction of the applied force. The box remains at rest. The box moves with a constant velocity in the direction of the applied force.
- A contestant in a winter games event pushes a 59.0 kg block of ice across a frozen lake with a rope over his shoulder as shown in the figure. The coefficient of static friction is 0.1 and the coefficient of the the kinetic friction is 0.03. What is the minimum force (in N) he must exert to get the block moving?A 37 N block rests on an inclined plane with a slope of 25°. What is the normal force acting on the block?In the figure below, m, = 10.2 kg and m, = 4.3 kg. The coefficient of static friction between m, and the horizontal surface is 0.50, and the coefficient of kinetic friction is 0.30. An illustration shows a rectangular block of mass m, on the horizontal surface of a table. This is connected to another rectangular block of mass m, by a cord that runs over a pulley placed diagonally at the corner of the horizontal surface of the table. The rectangular block of mass m, is suspended vertically by the side of the tabletop. (a) If the system is released from rest, what will its acceleration be? (Enter the magnitude of the acceleration.) m/s? (b) If the system is set in motion with m, moving downward, what will be the acceleration of the system? (Enter the magnitude of the acceleration.) m/s2