An object of mass m, = 4.30 kg placed on a frictionless, horizontal table is connected to a string that passes over a pulley and then is fastened to a hanging object of mass m, = 6.80 kg as shown in the figure. (a) Draw free-body diagrams of both objects. Choose File no file selected This answer has not been graded yet. (b) Find the magnitude of the acceleration of the objects. m/s2 (c) Find the tension in the string.
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- In the physics laboratory students are performing a mechanics experiment. Two blocks are connected by a pulley as sown in the figure to the right and are let to move. If the coefficient of kinetic friction between the block and the incline is 0.39. What is the magnitude of the acceleration of the suspended block as it falls? 2M KEKAGN 30° MTwo objects with masses m1=1.00 kg and m2=2m1 are connected by a massless string that passes over a frictionless pulley. a) Find the tension in the string.b) Find the acceleration of each object.c) Find the acceleration and tension if the masses of both objects are doubled.An inventive child named Nick wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a rope that passes over a frictionless pulley, he pulls on the loose end of the rope with such a force that the spring scale reads 250 N. His true weight is 320 N, and the chair weighs 160 N. His feet are not touching the ground. a)Draw one pair of diagrams showing the forces for nick and the chair considered as separate systems and another diagram for the child and the chair as one system. b)Show that the acceleration of the system is upward and find its magnitude. c) find the force the child exerts on the chair.
- A 1050 kg car is pulling a 320 kg trailer. Together, the car and trailer have an acceleration of 2.20 m/s2 in the forward direction. Neglecting frictional forces on the trailer, determine the following. (Indicate the direction with the sign of your answer. Take the forward direction to be positive). a) the net force on the car b) the net force on the trailer c) the force exerted by the trailer on the car d) the resultant force exerted by the car on the road magnitude and directionTwo forces are the only forces acting on a 6.1 kg object which moves with an acceleration of 2.7 m/s 2 in the positive y direction. One of the forces acts in the positive x direction and has a magnitude of 13 N. What is the magnitude of the other force f2? Answer in units of NDoes changing the mass of the object affect the acceleration? I was to conduct an experiment where the motion of an object sliding on an inclined air track under the influence of gravity is observed. In order to demonstrate the effects of force while minimizing friction, the air track has lines of holes drilled along the top faces. My thought process: because f=ma I thought yes, but I have also gathered data that shows me that increasing mass does not necessarily mean increasing/decreasing a.
- Two masses, m_1=1.0 kg and m_2=5.0 kg, are linked by a string through a pulley as shown in the figure. Find the acceleration of the two masses. m₁ m₂An object of mass m, = 3.10 kg placed on a frictionless, horizontal table is connected to a string that passes over a pulley and then is fastened to a hanging object of mass m, = 7.70 kg as shown in the figure. (a) Draw free-body diagrams of both objects. Choose File No file chosen This answer has not been graded yet. (b) Find the magnitude of the acceleration of the objects. m/s2 (c) Find the tension in the string.A cart is placed on a frictionless horizontal surface and attached by a rope to a vertical hanging mass. The rope passes over a frictionless pulley. To determine the acceleration of the system (cart + hanging mass) a position versus a function of elapsed time ( t5 as an example) graph is created. What function of elapsed time should be plotted on the x-axis to produce a theoretically linear graph? Answer options: a) t b)t1/2 c)1/t d)t2
- A force is applied horizontally to a block to move it up a 30° incline. The incline is frictionless. If F = 80.0 N and M 4.8 kg, what is the magnitude of the acceleration of the block? Question Help: Read Submit Question M ◄ Previous F The magnitude of the acceleration of the block is m/s². 30° 30° Next ▸During a front-end car collision from 45.5 km/h and with air bags inflated, the acceleration limit for the chest is 60g as the car comes to rest. The trunk or chest area of the body comprises about 43% of body weight. Draw a free-body diagram of a person during the crash centered on the origin of the axes. The diagram does not need to be drawn to precise scale. Assume the car is traveling from left to right along the x-axis. For how much time does this acceleration last, assuming it is constant at 60g? Number S X What force in newtons does the air bag exert on the chest of a 72.5 kg person? Number 18350a) Draw and label all forces acting on blocks 1 and 2 b) What is the magnitude of the acceleration of block 1? What is the tension in the string?