College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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- m1 m2 In the picture above assume the only objects of interest are those shown. There is no Earth below them. The humanoid figures have zero mass but the balls do have mass. 1. Draw the FBD of Ball 1 2. Draw the FBD of Ball 2arrow_forwardA skate boarder is at the bottom of a circular half pipe with a radius of 6 meters. She has a speed of 7 m/s and a mass of 54 kg. What is the normal force she feels at the bottom of the pipe? a)970 N b)697 N c)441 N d)1029 Narrow_forwardA. Mass and Weight 1. Find the weight of a 60 kg astronaut on earth a. Find the weight of the same object on a planet where the gravitational attraction has been reduced to 1/10 of the earth's pull. 2. A backpack weighs 8.2 newtons and has a mass of 5 kg on the moon. What is the strength of gravity on the moon? (Be careful with units, remember 1N= 1 kg * m/s_ 3. A physical science test book has a mass of 2.2 kg a. What is the weight on the Earth? b. What is the weight on Mars (g = 3.7 m/s) c. If the textbook weights 19.6 newtons on Venus, What is the strength of gravity on Venus? 4. Of all the planets in our solar system, Jupiter has the greatest gravitational strength. a. If a 0.5 kg pair of running shoes would weigh 11.55 newtons on Jupiter, what is the strength of gravity there? b. If he same pair of shoes weighs 0.3 newtons on Pluto, what is the strength of gravity on Pluto? c. What does the pair of shoes weigh on earth? B. Second Law of Motion 1. An object with a mass of 2.0 kg…arrow_forward
- On earth, two parts of a space probe weigh 10300 N and 3660 N. These parts are separated by a center-to-center distance of 10.4 m and may be treated as uniform spherical objects. Find the magnitude of the gravitational force that each part exerts on the other out in space, far from any other objects. Number i Save for Later Units Attempts: 0 of 3 used Submit Answerarrow_forwardTwo masses, m, = 2.16 kg and m, = 9.71 kg are on a horizontal frictionless surface and they are connected together with a rope as shown in the figure. The rope will snap if the tension in it exceeds 50.0 N. What is the maximum value of the force F which can be applied? Submit Answer Tries 0/10 What is the acceleration of the whole system, when this maximum force is applied? 4.212m/s 2 Submit Answer Incorrect. Tries 1/10 Previous Triesarrow_forwardAn object sits at rest on a ramp. As the angle of inclination of the ramp increases, the object suddenly begins to slide. Which of the following explanations best accounts for the object's movement? (K:1) Select one: a. The force of gravity acting on the object has increased sufficiently O b. The friction has decreased sufficiently while the normal force has remained unchanged. O C. The coefficient of static friction has decreased sufficiently O d. The component of gravity along the ramp has increased sufficientlyarrow_forward
- 2. Two boxes are connected by a lightweight cord and are resting on a table. The boxes have masses 12 kg and 10 kg. A horizontal force of 40 N is applied by a person to the 10 kg box as shown in the figure below. Draw FBD for each box. Find a. the acceleration of each box b. the tension in the cord m2: 12 kg "1: 10 kg F : 40 Narrow_forwardA 2.0 kg box is at rest on a flat horizontal surface. A continuously applied force is then exertedon the box. When the applied force just exceeds 5.0N the box then begins to move. Q1. Construct a free-body diagram for the box at the moment when the applied force is 5.0N. Q2. Determine the magnitude of the peak static friction force and the corresponding coefficientof static friction.arrow_forward15_please answerarrow_forward
- On earth, two parts of a space probe weigh 17300 N and 4920 N. These parts are separated by a center-to-center distance of 7.91 m and may be treated as uniform spherical objects. Find the magnitude of the gravitational force that each part exerts on the other out in space, far from any other objects. Number i Save for Later Units Attempts: 0 of 1 used Submit Answerarrow_forwardNewtons Third Law: In the figure provided, a 220. kg crate, to the right of the pulley, is released from rest and begins to fall to the ground. If the mass on the left is m = 55.0 kg, what is the magnitude of the tension of the rope attached to the 220. kg crate? Assume the rope and pulley are massless. 862 N 2.16×103 N 431 N 539 Narrow_forwardMCQ 4. The first of two identical boxes of mass m is sitting on level ground. The second box is sitting on a ramp that makes a 20° angle with the ground. The normal force of the level ground on the first box is NL; the normal force of the ramp on the second box is NR. Which statement is correct? a. NR= NL = mg. b. N₁ mg; NR= mg sin 20°. C. NL = mg; NR = mg cos 20°. d. Nr.= mg; NR= -mg cos 20°. e. NR=-NL = -mg.arrow_forward
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