Describe in your own words what is rectilinear motion and the associated variables that defines the particle position acceleration and velocity.
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- i) Give an expression for conservation of angular momentum ii) Give examples of translation and rotational motion in rigid bodies and state the application of civil engineering with them iii) Calculate the magnitude of force that must be exerted with at B to just lift the end of the block at A up off the groundPROBLEM 2 The two forces are equivalent to a force R that has a line of action passing through point A. Determine R and the distance X. ķ 200mm-f 100 N N X 90mmHi, I tried to solve this problem but I couldnt succeed. Can you solve this for me ? Express the moment of force F with respect to the AC axis in cartesian vector form.
- Questionl i. What is Structural mechanics? ii. Distinguish between Statics and Dynamics, clearly stating what laws form the basis of these concepts. iii. Using graphical method, add the following forces and show the magnitude and direction of the resultant force. Compare the resultant with the analytical method. a) 6N 90° to the positive y-axis b) 7N 40° from the x-axis, c) 816grams, d) 4N at 30° North of West. e) 5N at 20° from the negative y-axis. Question 2 Explain the following, use relevant sketches, diagrams and examples i. resultant force ii. parallelogram law of forces. iii.. Collinear forces iv. Coplaner forces v. Concurrent forces vi. Lami's theorem vii. Unit Vector viii. position vector. xi. Free Body Diagram x. Reactions at different support Question 3 i. With the aid of a diagram derive a mathematical expression for the magnitude and direction of the resultant force R, of two forces which can be represented by sides of a parallelogram. ii. Derive Lami's Theorem with the…1) An object, having a weight of 20 N, moves from point A to point B on a smooth surface of a path in a three-dimensional space. The x- y- and z- coordinates of the points are given respectively in meters: A (0; 3; 3), B (6; 5; 0). The speed of the object at point A is 18m/s and the force [F = 2x i+ 3y j+z k] N is acting on the object during the motion. What is the speed of the object at point B? 2) The acceleration of a 2kg - body along straight line is expresses as a = -0.002 v² m/s². The initial velocity of the body at the beginning of its motion is vo. How far does the body travel until its velocity becomes the half of its initial velocity? 3) A 105gr-baseball moves in the horizontal direction to the right with a velocity of 18m/s. After the baseball is hit with a 3kg - bat, it moves to the left, in a direction 20° from the horizontal with a velocity of 38m/s. If the duration of interaction between the baseball and the bat is 0.028s, what is the average impulsive force (its…Instruction: Modify if TRUE or FALSE. Explain and prove your answer if FALSE. 1. There are several ways of analyzing curvilinear motion of an object. One of which is by using rectangular components. 2. To solve for the magnitude of displacement, velocity, or acceleration of an object in motion, and the Pythagorean theorem is used. 3. The displacement, velocity, and acceleration of an object in curvilinear motion have the relations as their rectilinear forms with respect to time. 4. Curvilinear motion must always be circular in its path. 5. When analyzing curvilinear motion with normal and tangential components, the acceleration is always tangent to the curve.