Determine the y-component of force 400 lb.а. 200 lbb. O lbс. 400 lbd. None of the aboveDetermine the summation of x-components of all the forces (F,).a. 226.79 lbb. 376.79 lbc. 76.79 lbd. None of the aboveDetermine the summation of y-components of all the forces (EF,).a. -376.78 lbb. 19.62 lbc. -419.62 lbd. None of the above 200 Ib30°400 lb200 Ib300 lbFigure 2-4

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Answered: Determine the y-component of force 400…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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2. In the figure shown, the spherical ball has a diameter of 12 cm and weighs 20 kg. A 30.0-cm rope is used to hold the ball against a frictionless wall. A. Draw the FBD and show all of the forces acting on the ball. B. How much tension does the rope experience? C. How much force is applied by the ball against the wall? 30.0 cm->
F A 73 kg block was pulled by a force with magnitude 828 N. Find the normal force Select one: a. 8122.6800 N O b. 828.0000 N Oc. 73.0000 kg O d. 716.1300 N
6. The reading on the vernier caliber is: a. 1.05 cm b. 4.46 cm c. 1.06 cm d. 4.48 cm 7. For the force diagram 1 14 0 1,46 5 2 H cm scale 10 Vernier sca
Forces F₁ and F2 are acting on a box with mass 2.50 [kg]. If F₁ = 9.70 [N]î, what should be the second force F₂ such that the acceleration of the box is 1.80 [m/s²]?? A. -9.70 [N] B. 4.50 [N] C. 14.20 [N] D. -5.20 [N]
Five equal forces of 10 N are applied at a point. If the angle between them is equal, what is the resultant force? a. 10 N C. 20 N c. 14.14 N d. 0
Three concurrent forces are pulling the box, the first one pulls 5 N, North; second pulls 5N, South and and the third one pulls 8 N, East. What is the magnitude and direction of their resultant force? a. 18 N, East b. 8 N, West c. 8 N, East d. 3N, West
3. A block of mass m = 5.9 kg is pulled up a 0 = 21° incline as in the figure below with a force of magnitude F = 37 N. (Hint: remember to measure all angles from +x axis.) y a. Draw a free body diagram showing all the forces. NORml Fte F Mass = 5.9k 0-21° F-37N there b. Determine the x and y components of all the forces. X Components of Force f = 37 N Y comporents of Force F=0N X componnt of normal force=ON * Componis of weight=-5.9x 9.8x Sin 210=70. FJN Y Comperents of weight=5.9a 9.8 x Casal. - 53.98 Y Compenents of normal force=mglos H%53.98, c. Write equations summing all the x components and all the y components. F-mg Sm@= mxa 37-20.72= 5.9x a 2.7l6 = Comporunts) Normal force - mg les 0: 05 53.98-53.98-0o d. Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration. Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.12. (Give the magnitude of the acceleration.) е. 3
1. A mass (m) of an object is accelerated by an outside force (F). Ifthe outside force is kept constant, and the mass is doubled, whatis the acceleration?a. halvedc. increased by 122b. doubledd. decreased 4x2. If the mass of an object is kept constant, what is the external netforce and acceleration produceda. equalC. directly proportionalb. not affectedd. inversely proportional3. A 3500 kg vehicle is travelling at a speed of 60 km/h. What will bethe acceleration of the vehicle if it is stopped in 20 s by a constantretarding force? What will be its direction?4. A retarding force reduces the velocity of a 15 kg ball sliding on awell -polished tiles from 15 m/s to 11 m/s in 2 s. Calculate theforce magnitude?
FORCE AND MOTION A horizontal force of 100 N is applied to a box of books having a weight of 196 N and resting on a wooden table. 7. Find the mass of the box of books is a.200 kg b. 20 grams c.20 kg d. 1920.8 grams 8. If the coefficient of friction between the box and table is 0.40, the frictional force between the box and the table is ___. a.490.5 N b. 39.2 N c. 78. 4 N d. 784 N 1. An elevator cab that weighs 27.8 kNmoves upward. What is the tension in the cable if the cab’s speed is _____. a. At rest b. Uniform motion c. Increasing at a rate of 1.2 m/s2 d. decreasing at the rate of 1.2 m/s2
THANKS
4 A stone has a weight of 40 N on the Mars, where g = 3.7 m/s2. The mass of the stone is ______________. a. 4.08 kg b. 10.81 kg c. 40kg d. 148 kg
Weight is one type of forces, it is a vector ( magnitude and direction, always vertically downward). it is an extrinsic properties, depending on surroundings. While Mass is a scalar, not depending on its surroundings. a. True b. False

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