A 1200 kg car is sitting with the brakes on a road of constant slope 15o. Draw a free body diagram of the forces acting on the car. What is the force of friction acting?
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A 1200 kg car is sitting with the brakes on a road of constant slope 15o. Draw a free body diagram of the forces acting on the car. What is the
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- 2.A dockworker applies a constant horizontal force of 80.0 N toa block of ice on a smooth horizontal floor. The frictional force is negligible.The block starts from rest and moves 11.0 m in 5.00 s. (a) What isthe mass of the block of ice? (b) If the worker stops pushing at the endof 5.00 s, how far does the block move in the next 5.00 s?An 11 kg block is being pushed forward on a flat surface with a force of magnitude 45 N. The coefficient of static friction on the block is 0.15 and the coefficient of kinetic friction on the block is 0.12 (only one of these needs to be used). (a) Draw a free body diagram of the block. (b) What is the net force acting on the block? (c) What is the acceleration of the block? FN EaA horizontal force, Fm, is applied to a book that is on a rough horizontal tabletop. As a result the book is accelerating to the right. If necessary, use Fs for the force of static friction and Fk as the force of kinetic friction. Draw a free body diagram for the book
- A block of mass m1 hangs from an ideal rope attached to a block of mass m2 which sits on an incline of angle φ. Friction is present between the ramp and m2. (a) Assume that initial neither block is moving. Draw a separate free body diagram for each mass. (b) If the blocks are not moving, what is the magnitude and direction of the force of static friction onm2? (c) If the block are not moving, what is the smallest possible value for the coefficient of static frictionμsbetween the ramp andm2?A 50 kg block is accelerating down a 40º incline. The coefficient of friction (μ) between the block and the incline is 0.30. Draw the free body diagram, label the forces, and calculate acceleration.A 10.00-kg block is sliding down a ramp making an angle of 50˚ with the ground. Find (a) normal force applied by the ramp on the box, and (b) the force of friction between the block and the ramp (µk = 0.25, µs = 0.40), and (c) the acceleration of the box down the ramp.
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- One 3.6-kgkg paint bucket is hanging by a massless cord from another 3.6-kgkg paint bucket, also hanging by a massless cord. a) If the two buckets are pulled upward with an acceleration of 1.25 m/s^2 by the upper cord, calculate the tension in the top cord. b) If the two buckets are pulled upward with an acceleration of 1.25 m/s^2 by the upper cord, calculate the tension in the bottom cord.An 11 kg block is being pushed forward on a flat surface with a force of magnitude 45 N. The coefficient of static friction on the block is 0.15 and the coefficient of kinetic friction on the block is 0.12 (only one of these needs to be used). (a) Draw a free body diagram of the block. (b) What is the net force acting on the block? (c) What is the acceleration of the block? Ff FN E FODRIf a 3.10 kg body has an acceleration of 7.20 m/s2 directed at 38.0° to the positive x axis. what is the y component of the net force acting on the body?