A 2-kg small block B fits inside a smooth slot cut in arm OA. The arm rotates counterclockwise in a vertical plane at a constant rate of 5 rad/s and r = 0.5 – 0.3 cos 0 in meters. At the instant that 0= 30°, determine (a) the force exerted by the spring on block B, (b) the normal force exerted by the arm OA on block B. Use radial and transverse components.

A 2-kg small block B fits inside a smooth slot cut in arm OA. The arm rotates counterclockwise in a vertical plane at a constant rate of 5 rad/s and r = 0.5 – 0.3 cos 0 in meters. At the instant that 0= 30°, determine (a) the force exerted by the spring on block B, (b) the normal force exerted by the arm OA on block B. Use radial and transverse components.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: A 1.8-kg collar is attached to a spring with unstretched length of 1.03 m. The collar moves in the…

A: Given: Mass of the collar→m=1.8 Kg Radius of the ring→r=1.03 m Unstretched length of the…

Q: It is known that the mass of the 1,2,3 block is the same, which is 2 kg. The mass of block 4 is…

Q: Rod OA rotates counterclockwise at a constant angular rate @=4 rad/s. The double collar B is…

Q: A 50-kg bar is subjected to a 100-N horizontal force, and two negligible-mass rods swing with a…

Q: A block of mass MA on a frictionless plane inclined at an angle is connected by a massless cord over…

Q: 3. A merry-go-round with radius R rotates in a horizontal plane at constant angular speed co. A boy…

Q: The platform swing consists of a 190-lb flat plate suspended by four rods of negligible weight. When…

Q: A ball of mass m is connected to a rod of length L and swings around the axis O. At some instant,…

A: Given:To find:The tension in the rod andThe rate at which the speed of mass is increasing.

Q: A 0.5 kg block sides in a smooth slot in a vertical plane. A constant force P is applied as shown.…

Q: In the figure, a block slides down an incline. As it moves from point A to point B, which are 5.1 m…

A: Given data as per the question Increase in kinetic energy =41j Friction force =9.7N

Q: |Q.1. A block of mass m = 0.5 kg is pushed against a horizontal spring of spring constant k 450 N/m…

A: Given, m = 0.5 kg k = 450 N/m vB = 12 m/s

Q: Determine the tangential force ( N ) created at the rim of the wheel.

A: Determine the tangential force ( N ) created at the rim of the wheel.

Q: A force F = 2 N is applied on a block of mass M= 0.5 kg as shown in figure. The block is constrained…

A: Given, Force magnitude = F = 2 N Angle made by a line of action of force with horizontal = θ = 60o…

Q: A 2-kg sphere is attached to a massless rigid rod attached to a fixed pivot point O. The rigid rod…

A: Given data:- Mass of the sphere (m)=2kg M=0.5t2 N-m Length of the rod (l) =0.5 m To find:- Speed of…

Q: As shown in the picture below, a 40-kg diver is positioned so that his radius of gyration is 0.4m as…

Concept explainers

Forced undamped vibrations

In mechanical engineering, vibration is expressed as the term that occurs due to an object's backward and forward movement about a point of equilibrium. Generally, there are three types of vibrations which are,

Question

A 2-kg small block B fits inside a smooth slot cut in arm OA. The arm rotates counterclockwise in a
vertical plane at a constant rate of 5 rad/s and r= 0.5 – 0.3 cos 0 in meters. At the instant that 0= 30°,
determine (a) the force exerted by the spring on block B, (b) the normal force exerted by the arm OA on
block B. Use radial and transverse components.
spring
A

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 4 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

2. (25) The small 2-kg block A slides down the curved path and passes the lowest point B with a speed of 4 m/s. If the radius of curvature of the path at B is 1.5 m, and the coefficient of friction between the block and path is 0.3, determine (a) the normal force exerted on the block by the path at B, and (b) the rate of change of speed at this point. B
. An object of mass 12 kg is suspended from a pulley which has a mass of 6 kg and a radius of rotation of 0.25 m. If at that time the pulley rotates with an angular velocity of 5 rad/s, we want to know that when the object moves down a distance of 2 m, then at what speed is the pulley rotating? If the friction force on the pulley bearing produces a moment of resistance of 2 N-m 12 kg 0.3 m
A robot arm moves in the vertical plane so that the 0.14-kg cylinder P travels in a circle about point B, which is not moving. Know that arm BP starts from rest in a horizontal position and that the speed of Pincreases at a constant rate of 200 mm/s². 0.8 m Draw the free-body diagram of the cylinder P that is required to determine the force acting on the cylinder. (You must provide an answer before moving on to the next part.) 0.8 m P 1 I
Rod OA rotates counterclockwise at a constant angular rate 0-4 rad/s. The double collar B is pin-connected together such that one collar slides over the rotating rod and the other collar slides over the circular rod described by the equation r= (1.6 cos 6) m. Both collars have a mass of 0.65 kg. Motion is in the vertical plane. (Figure 1) Figure r=1.6 cos 9. 0-4 rad/s 0.8 m 1 of 1 Part A Determine the magnitude of the force which the circular rod exerts on one of the collars at the instant 0=45 Express your answer to three significant figures and include the appropriate units. ▸ View Available Hint(s) F= Value Submit μÁ Part B Previous Answers Units X Incorrect; Try Again; 5 attempts remaining Determine the magnitude of the force that OA exerts on the other colar at the instant @-45. Express your answer to three significant figures and include the appropriate units. View Available Hint(s)
6
A slender bar with a length of 2 ft is pin-connected with a roller positioned on a smooth horizontal surface. The bar is at rest initially, and a horizontal force F is applied to the roller. If F = 13 lb and the weight of the bar is 10 lb, calculate the magnitude of the acceleration of the roller at that instant by neglecting the mass and the size d of the roller. Present your answer in ft/sec² using 3 significant figures. FOR COMARCA 2 ft F
A 50 Ib block A is attached to a wire that is wrapped around the shown flywheel of 30" radius and I = 12 ft-lb-s². The system is released from the rest. Neglect the effect of friction, determine (a) the acceleration of the block A, (b) the speed of the block A after it has moved 10 ft. A
EXERCISE 2.53 Collar C is pushed along the guide bar defined by y= 2(1-0.25x²), where x and y have units of meters. The angular speed of arm AB that actuates the motion is the constant value = 20 rad/s, so = ct. Determine the forces exerted on the collar by arm AB and the guide bar at x = 1 m. The mass of the collar is 2 kg, and gravitational effects are ignorable. (Hint: use Cartesian and polar coordinates to solve the problem.)