3. A forklift of mass 1640kg on a horizantal surface is pushed by a force of 2420N that is opposed by a frictional force of 52S N. (a) Find the acceleration of the forklift.
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- An elevator filled with passengers has a mass of 1763 kg. ONLY NEED HELP ON D. OTHER PROBLEMS HAVE BEEN SOLVED. PLEASE HELP. (a) The elevator accelerates upward from rest at a rate of 1.20 m/s2 for 2.00 s. Calculate the tension in the cable (in N) supporting the elevator. (19,410.63 N) (b) The elevator continues upward at constant velocity for 9.02 s. What is the tension in the cable (in N) during this time? (17,295.03 N) (c) The elevator decelerates at a rate of 0.600 m/s2 for 4.00 s. What is the tension in the cable (in N) during deceleration? (16,237.23 N) (d) How high has the elevator moved above its original starting point, and what is its final velocity? (Enter the height in m and the final velocity in m/s.) HEIGHT= ? FINAL VELOCITY= ?A dragster reaches 350 km/h from rest in 6.2s. If the car is 800 kg and generates a driving force of 14000N, find the force of friction acting on the car.= 7. Four forces act on an object, given by A = 40.0 Neast, B = 50.0 north, C 70.0 N west, and D = 90.0 N south. (a) What is the magnitude of the net force on the object? (b) What is the direc- tion of the force?
- (a) What is the weight of a 4.03 kg backpack? (b) What is the acceleration of the backpack if a net force of 10.0 N is applied? (a) w = N (b) а %D m/s?A mover needs to push a couch up an inclined ramp that makes 21o with thehorizontal. If the couch has a mass of 70 kg, and the coefficient of kinetic friction between the couch and the ramp is 0.22, what should be the magnitude of the force parallel to the ramp that must be applied by the mover so that the couch moves with constant speed?A runaway train car that has a mass of 1.53e+4 kg travels at a speed of 6.32 m/s down a track. Compute the time required for a force of 1.55e+3 N to bring the car to rest.
- Two strings support a small 8-kg body. Find the tension in the strings if they both make30o with the vertical. A weight of 100 newtons is suspended by means of a string. It is then pulled aside by ahorizontal force until the string makes an angle of 37o with the vertical. Find the tensionin the string and the horizontal force for this equilibrium position.An elevator weighs 10000N. It has a cord attached to it on the top. It accelerates downward at 3m per second squared, what’s the tension?Mr. M is stuck in the mud! He gets his friends to help pull him out. One pulls with a force of 550N [N]. Another pulls with a force of 450N [N45E]. There is a frictional force of 250N [S]. Looking only at the force in the "plane" of motion, what is Mr. M resultant acceleration if he has a mass of 95kg?
- A man pulls a 50kg box horizontally from rest while exerting a constant horizontal force, displacing the box 3m in 2s. Find the force the man exerts on the box. (Ignore friction) ANS. 75NA cart of mass 3.4kg is being pulled by a horizontal rope with a tension of 65N. The coefficient of friction between the cart and horizontal surface is .25. What is the acceleration of the cart?Object has a mass of 5kg. The acceleration of the object is 3m/^2 .the friction force between the surface and object is 5N. Find the applied force on a object ?