College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Calculate the force necessary to drag a 20-kg jug with an acceleration of 1.25 m/s2 on a surface with which it exerts a coefficient of friction of 0.3.
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- The coefficient of friction between the sled and the hill is 0.2. Find the applied force necessary to slide the bleek up the hill at a constant speed. sled mass Fapp VITA 50° of sled = 40 kgarrow_forwardIf an adult weighing 104kg is skiing down a mountain with a 60 degree inclined plane with a coefficient friction of at 0.8. What is the normal and parallel forces? Also draw a sketch of systemarrow_forwardEliza pushes a carboard box across a level carpeted room at a constant speed v0. The constanthorizontal force applied by Eliza must be…A) the same magnitude as the weight of the boxB) greater than the weight of the boxC) the same magnitude as the friction force acting on the boxD) greater than the friction force acting on the boxE) greater than both the friction force acting on the box and the weight of the boxarrow_forward
- a grandpa pulls his son on a sled his son and the sled together weigh 150n grandpa is pulling at an angle of 40degrees above the horizon line they are accelerating to the left at a rate of 1.5m/s normal force = 100 what is the coefficient of friction between the snow and the sled?arrow_forward3) What is the dierent between static and kinetic friction? b) Why does the static friction involve an inequality while kinetic friction involves an equation? c) Does kinetic friction depend on the normal force?arrow_forwardA 3.5-kg block rest on a horizontal tabletop. A cord is attached to this block, the cord passing over a pulley at the edge of the table. at the end of the cord is hung another block weighing 5 N. Determine the tension in the cord and the distance the blocks moved after 2 seconds.arrow_forward
- with free body diagram and complete solutionsarrow_forward4) Sam increases their applied force as shown and finally gets the trash can to budge. What is the coefficient of static friction between the trash can and the surface? 100 kg Applied Force -363 Newtons 500 500arrow_forwardA plastic bag full of bowling bowls can withstand 2120 N of force. The total mass of the 192 kg and lifted with an acceleration of 3.0 m/s^2 when will the bag break? Prove by finding applied force. Draw a picturearrow_forward
- For large object falling at high speed through air, the resistive force is proportional to the speed of the object, and it is in the opposite direction of the motion. True Falsearrow_forwardIf the net force is zero, then the speed ○ velocity acceleration All of the above of the object will be zero.arrow_forward
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