Problem 4 - Rigid Body Kinetics (20 pts) The uniform 12-kg square panel is suspended from...
Planar Kinetics of a Rigid Body: Force and Acceleration 2. A cylinder weighing 600-lb is lifted by a using the mechanism shown. The two rotating drums turn as a single unit about their center of mass at O and they have a combined weight of 300-lb and a radius of gyration about O of 1.5 ft. If the motor at A pulls the cord with a constant tension P-450 lb: A) NEATLY draw an accurate free-body diagram and kinetic diagram...
Intro to Dynamics, Planar Kinetics of a Rigid Body: Work and Energy. Problem 7 please! 7. A ball of mass m and radius r is cast onto the horizontal surface such that it rolls without slipping. Determine its angular velocity at the instant 8 = 60°, if it has an initial speed of Vaas shown. 8. Determine the speed of the 60-kg cylinder after it has descended a distance of 1.5 m, starting from rest. Gear A has a mass...
Problem k - 2.5 m - Body A, a 50 kg train signal, is attached to beam B of mass 250 kg. Bis suspended from a rigid support by a hinge and a cable. The geometry of the system is shown at right. – hinge a) What is the tension in the cable? Be sure to include a detailed free body diagram to accompany your analysis. -- 2.0 m B b) What is the magnitude of the force provided by...
include free body diagram . [18 pts] A uniform long slender bar of mass m 6.8 kg and length0.9 m is attached at one of its ends (A) to a horizontal rope while its other end (B) slides without friction on the floor. For the instant when the bar is released from rest in the configuration shown (where θ 45 degrees): (a) Develop expressions for a and ay, the accelerations of the bar's centre of mass in the along with...
Question 5 P 0.8 m A rigid uniform square block of mass m = 60 kg is resting on the ground as shown above. A force P is applied to the block at 0.8 m above the ground. The coefficient of kinetic friction between the ground and the block is given by uk = 0.2. It can be shown that the free-body diagram for the situation above is as given below, where F is the friction, N is the normal...
The uniform slender rod contains a 4-kg uniform rod with the center of mass at point G is suspended from a hinge at C. The rod is at rest in a vertical position when point B is subjected to a force of P = 75 N, and a moment M = 50 Nm, the length of the rod is 1 m and r = 0.225m. Determine the reactions at the pin C and the initial angular acceleration of the rod....
Problem 3 - Rigid Body Kinematics (10 pts) Roller B of the linkage has a velocity of 0.75 m/s to the right as the angle o passes 60°. Locate the instantaneous center of zero velocity for bar AB and determine its angular velocity WAB: Equations you may need: B Law of sines sin A b sin B a с α 360 mm 360 mm A C D Law of cosines b BO 0.75 m/s c2 = a2 + b2 –...
EMCH 212/212H Rigid Body Angular Momentum & Work-Energy Square Crate Tipping Over With Plastic Impact A uniform square crate is released from rest with corner D directly above A and it rotates about A until its corner B impacts the floor and then it rotates about B. The floor is rough enough to prevent slipping and the corner at B does not rebound on impact. Determine, (a) as a function of g and 1, the angular velocity of the crate...
4. (Rigid body rotation) A blob is made from four small objects of mass m attached together with massless bars of length l. The angle made by the bars is 45 degrees. A Identify the principle axes for this blob. B Using a coordinate system, the body frame, that corresponds to those axes, determine the intertia tensor for rotation about the center point. C Suppose that the blob is floating in space, with no torques applied, and is rotating with...
A crane is made from a uniform rigid boom of length L = 30m and weight w = 400N. The boom is sup- ported by a frictionless hinge at its lower end. Its upper end is attached to a support cable which is fas- tened behind the boom at the same horizontal level as the hinge. Adjusting the length of the support / cable adjusts the angle of the boom. In a particu- 7/TTI IN lar application, the crane is...