An object will slide down an inclined plane at a constant velocity if the net force on the object is zero. Determine the coefficient of kinetic friction. e =35°
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- An object of mass 45 kg is drawn upward an inclined plane by a force of 600N. The coefficient of friction between the object and the plane is 0.56. angle of inclination of the plane is 30 degrees to the horizontala). what is the acceleration of the object? EVb). if at the top of the plane, the object slide down freely on the plane under its own weight, with i. what acceleration and APii. velocity does it strike the ground? ANc) what would be the acceleration if the plane was frictionlessA child on a toboggan with a total mass m accelerates down a hill inclined at an angle θ to thehorizontal. Assume that friction is negligible. What is the magnitude of the child’s acceleration downthe hill? multiple choice:(a) g/ sin θ (b) g cos θ (c) g tan θ (d) g/ cos θ (e) g sin θA block of mass m1 = 3 slugs on a smooth inclined plane of angle 30o is connected by a cordover a small frictionless pulley to a second block of mass m2 = 2 slugs hanging vertically. (a)What is the acceleration of each body? (b) What is the tension in the cord?
- A 140 kg wooden crate resting on a wood floor. The coefficients of stattic and kinetic friction here are μs =0.5 and μk=0.3. WHat maximum force, in newtons, can you exert horizontally on the crate without moving it? If you continue to extert this force once the crate starts to slip, what will its accelertation be in m/s2?A crate of mass 43 kg is loaded onto the back of a flatbed truck. The coefficient of static friction between the box and the truck bed is 0.12. What is the maximum acceleration a (in m/s2) the truck can have without the crate sliding off?Two boxes of fruit on a frictionless horizontal surface are connected by a light string , where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box.Repeat the problem for the case where the coefficient of kinetic friction between each box and the surface is 0.09.a) find the accelerationb) find the tension in the string
- Determine the acceleration a.The masses are: ?1 = 1 ??, ?2 = 2 ??, ?3 = 4 ??The coefficient of kinetic friction between mass 1 and the incline is ?1 = 0.4The coefficient of kinetic friction between mass 2 and the flat section is ?2 = 0.3A horizontal force of 200 N is required to cause a 15 kg block to slide up a 23° incline with an accelerationof 25 cm/s2 . Find (a) the friction force on the block and (b) the coefficient of friction.A 7 kg carton lies on a plane tilted at an angle of 22.0oto the horizontal with the coefficient of friction = 0.12. Determine the rate of acceleration of the carton as it slides down the plane. If the carton starts from the rest at 9.30 m from the base, what will be the velocity of the carton upon reaching the bottom of the incline?
- determine the Normal force and acceleration 50kg coefficient of kinetic friction= 0.3 p= 200NAn 3 kg box sits on a horizontal surface. A horizontal applied force of 10.1 N is applied to the box in the positive x-direction, and it is observed to accelerate with an acceleration of 0.4 m/s2. What is the magnitude of the kinetic frictional force? What is the coefficient of kinetic friction?The drag force for falling objects due to air friction depends on the velocity of the object and is given by the equation [Fdrag = bv] where b is a constant that depends on the fluid through which the object moves and the radius of the object. (a) Find the terminal speed (in m/s) of an object of mass 54 kg for which b = 17 kg/s. (b) Will the terminal speed be different if the object's initial speed is different? Yes or No?