(II) Figure 4–53 shows a block (mass ma) on a smooth hori- zontal surface, connected by a thin cord that passes over a pulley to a second block (mB), which hangs vertically. (a) Draw a free-body diagram for each block, showing the force of gravity on each, the force (tension) exerted by the cord, and any normal force. (b) Apply Newton's second law to find formulas for the acceleration of the system and for the tension in the cord. Ignore friction and the masses of the pulley and cord. FIGURE 4–53 Problems 32 and 33. mB Mass ma rests on a smooth horizontal surface; mâ hangs vertically.

(II) Figure 4–53 shows a block (mass ma) on a smooth hori- zontal surface, connected by a thin cord that passes over a pulley to a second block (mB), which hangs vertically. (a) Draw a free-body diagram for each block, showing the force of gravity on each, the force (tension) exerted by the cord, and any normal force. (b) Apply Newton's second law to find formulas for the acceleration of the system and for the tension in the cord. Ignore friction and the masses of the pulley and cord. FIGURE 4–53 Problems 32 and 33. mB Mass ma rests on a smooth horizontal surface; mâ hangs vertically.

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)...

See similar textbooks

Similar questions

(c) The Thrust SSC car raised the world land speed record in 1997. The mass of the car was 1.0 x 10 kg. A 12 s run by the car may be considered in two stages of constant acceleration. Stage one was from O to 4.0 s and stage two 4.0 s to 12 s. (i) In stage one the car accelerates from rest to 44 m s in 4.0 s. Calculate the acceleration produced and the force required to accelerate the car. (ii) In stage two the car continued to accelerate so that it reached 280 m s- in a further 8.0 s. Calculate the acceleration of the car during stage two. (iii) Calculate the distance travelled by the car from rest to reach a speed of 280 ms.
When a force of 500Nt acting at 40 degrees with the plane pushes on a 25kg box up a 40 degree inclined plane, the acceleration of the box is 0.75m/sec^2. Find the coefficient of friction between box and incline. « Previous
ASAP PLS HUHU. A 100-N block on a rough 30o-incline is acted upon by a force P as shown causing it to accelerate at 2 m/s2 down the plane. The coefficient of kinetic friction is 0.30. (a) Draw the FBD of the block (b) Find the magnitude of P.
(I) A box weighing 77.0 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end (Fig. 4–45). Determine the force that the table exerts on the box if the weight hanging on the other side of the pulley weighs (a) 30.0 N, (b) 60.0 N, and (c) 90.0 N. FIGURE 4-45 Problem 20.
9. A car of mass m starts from rest and acquires a velocity along east v=vi (v> 0) in two seconds. Assuming the car moves with uniform acceieration, the force exerted on the car is (a) eastward and is exerted by the car engine. - (b) eastward and is due to the friction on the tyres exerted by the road. eastward exerted due to the 2. (c) more than engine and overcomes the friction of the road. (d) exerted by the engine. 2
Neglecting friction, determine the horizontal force to accelerate aluggage weighing 250N from rest to a velocity of 0.5 m/s in 2s.
1. Two blocks are connected by a massless rope as shown below. The mass of the block on the table is m₁ and the hanging mass is m₂. The table and the pulley are frictionless. a₁ y m₁ X 3 Subpart 1: Draw FBDs In your notebook, draw free body diagrams for m, and m₂ using the template as shown below. The forces acting on the system are weights of the blocks, m₁g, and mêg, the tension in the string T and the normal reaction N₁ of the table on m₁. m m₂ Subpart 2: Set up Newton's Second Law Equations a2 m₂
A 10 kg mass is pulled along a frictionless horizontal surface by a 20 Nt force that acts at 60° with respect to the horizontal. Determine: (a) The weight of the mass; (b) The mass' acceleration, ax; (c) The mass' final velocity if Vox = 0 and the force acts for 5 seconds, (d) The mass' final position, Xf, if Xo = 0.
Three forces acting on an object are given by (-1.95i + 5.70) N, , (s.30l-1.75) N, and , (-49.5) N. The object experiences an acceleration of magnitude 3.60 mys (a) What is the direction of the acceleration? * (counterclockwiise from the +x-axis) (b) What is the mass of the object? kg (c) If the object is initially at rest, what is its speed after 11.0 s? m/s (d) What are the velocity components of the object after 11.0 s? (Let the velocity be denoted by v.) 1) mis I+ Need Help? Weh
A [m] kg race car has a powerful engine that can produce an acceleration of [a] m/s2 while reaching a speed of [v] miles per hour. At this speed the forces resisting motion (friction, air resistance, etc.) equal [r] times the weight of the car. What is the magnitude of the force (in Newtons) that the race car exerts backward on the ground in order to produce this acceleration?
(II) At the instant a race began, a 65-kg sprinter exerted a force of 720 N on the starting block at a 22° angle with respect to the ground. (a) What was the horizontal acceleration of the sprinter? (b) If the force was exerted for 0.32 s,with what speed did the sprinter leave the starting block?