The horizontal surface on which the objects slide is frictionless. The acceleration of gravity is 9.8 m/s2. F, 2 kg 8 kg 5 kg If F = 16 N and F, = 6 N, what is the magnitude of the force exerted on the block with mass 8 kg by the block with mass 5 kg? Answer in units of N
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- A 3 kg particle moves along an x axis, being propelled by a variable force directed along that axis. Its position is given by x = 2 m + (2 m/s)t + ct2 - (3 m/s³)t³ with x in meters and t in seconds.The factor c is a constant. At t = 4 s the force on the particle has a magnitude of 33N and is in the negative direction of the axis. What is c? Number UnitsWhat is the magnitude of the normal force the object is receiving from the surface if the coefficient of friction between the object and the surface it is on is 0.26 and it experiences a force of friction of magnitude 59.5N? Fn = unitA robot pushes a 20-kg giftbox on the horizontal surface as part of the moving job for the holiday season, the force is 79 N to the right as shown. The box does not move. The coefficients of friction between the floor and box are μs = 0.75 and μk = 0.40. What is the magnitude (absolute value) of the friction force on the box, in Newtons? Use g = 10 m/s2.
- We start with some review problems A crate of mass 42.0 kg rests on a level surface, with a coefficient of kinetic friction 0.257. You push on the crate with an applied force of 375 N. What is the magnitude of the crate s acceleration as it slides? 14.29 m/s^2 6.41 m/s^2 8.93 m/s^2 2.56 m/s^2We start with some review problems A crate of mass 22.6 kg rests on a level surface, with a coefficient of kinetic friction 0.292. You push on the crate with an applied force of 384 N. What is the magnitude of the crate s acceleration as it slides? 16.99 m/s^2 7.07 m/s^2 23.79 m/s^2 14.13 m/s^2A 1.0-kg block slides on a rough horizontal surface. A force, P = 9.0 N, is applied to the block at an angle to the horizontal as shown. The magnitude of the block's acceleration along the surface is 3.5 m/s?. What is the magnitude of the force of friction acting on the block? 30° 1.2 N 4.3 N 6.5 N O 15 N 7.2 N 9.0 N
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