Cqulibrium. Judurcs / and 8 against the total Questions: 1. Describe what the motion of a rigid system will be if: al The first condition for equilibrium is not satisfied. b). The second condition for equilibrium is not satisfied. d. Neither condition for equilibrium is satisfied. 2 If the numbers of clamps on each side of the support fulcrum are the same, say one and one, can their weight be omitted from the torque calculation? Explain. 3. If three forces act on an extended object and the object is in equilibrium, prove that the lines of action of these three forces intersect at one point. 4. Use two fingers to support a meter stick, one at the 10 cm mark and another at the 65 cm mark. Move the two fingers closer slowly until they meet. Where do the two fingers meet? Repeat with different starting positions for the two fingers and explain the results. References: Dr. Gao's Manual 71

Q: Let A22+-7 B-42+-l C-3+5 Complete each vector sum A B+C A+ B-C + A-B+C A-B-C +

A: Write the vector expression for the three given vectors.

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A: A whirling ball at the end of a string breaks and what happens

Q: Which of the following is an INCORRECT vector operation? O a. O b. O C. O d. B-A= -(B-A) B + A = A +…

A: GIVEN            vector are given ,

Q: Inertia is a measure of an object's ________________. a.gravity.          b. weight.            c.…

A: To explain : inertia is a measure of

Q: Q10) What is the angle between the two vectors A= 5i+ 6j and B = 31- 3/? A) 109° B) 95 C) 120° D)…

A: Given data The vector A is given as A→=5i^+6j^. The vector B is given as B→=3i^-3j^.

Q: I. I. Iz

A:

Q: 14.3 N 11.7 N 24.7 N 30.5 N F1 12.3 N F2 3.4 N

A:

Q: motion

A: Friction is produced when the objects are rubbed against each other. Friction will always oppose the…

Q: What is the magnitude of Fn, the normal force on the box? P = 160 N f = 80 N 60° W = 196 N A) 196 N…

A: Answer:- (A) 196 N  Given  Weight (W) = 196 N  Force (f) = 80 N  Force (P) = 160 N  Angel (A) = 60o…

Q: 10) Which vectors in graph below are equal? to too

A: Solution:   Equal Vectors: If two vectors A and B are said to be equal if they have same…

Q: Q20) What is the angle between the two vectors Ä = 5i + 6j and B = 3i – 3j? A) 109° B) 95° C) 120°…

A: Given that vector A= 5i =6j and vector B = 3i - 3j. find the angle between vector A and vector B ?

Q: The normal force, FN, is a. always parallel to the surface b. always perpendicular to the surface c.…

A:

Q: 7. What is the force exerted on the automobile if one end of the rope 25 m long is attached to an…

A: Given, Force exerted by man,F=500 N Length of rope,L=25 m Side pulled by man,x=1 m

Q: 23: Find the centroid of the next shaded area.

A:

Q: Six vectors are shown below. ン Select all vectors which have the same magnitude.

A: The quantities which has both magnitude and direction are called vectors. A vector has a head and a…

Q: d and e

A:

Q: The magnitude of the resultant of the vectors shown in figure is 5 N 7N

A:

Q: Explain the right-hand rule.

A:

Q: In the figure below, suppose that Fw = 80 N. What is the value of F? Consider that the rope is…

A:

Q: Which of the vectors is the result of P- Ó? 11 A. B. В. С. D. O D O B

A: Option D

Q: A finite segment of a straight wire carrying current I in z-direction is shown in the figure. (a)…

A:

Q: 2. SOLVE THE FORCE ACTING ON THE 5 KN BLOCK IF IT IS IN EQUILIBRIUM. P 58⁰ 380

A:

Q: 18. It is used to demonstrate a dynamic system, a system in which two objects/bodies (two pans) are…

A: solution as

Q: A B C D OR E

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A:

Q: the focal length? OA) O B)

A: Ray optics.

Q: (금) e = tan rg

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A: Let a body have a mass = m  Let the initial velocity of mass = v ( along east)  Let the magnitude of…

Q: 3. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of the…

A: Required : For which type of electromagnetic radiation, is the atmosphere of the Earth completely…

Q: State and prove parallelogram law of forces.

A:

Q: Step 2. Refer back to Figure 8.1. For which types of electromagnetic radiation is the atmosphere of…

A: For which type of the electromagnetic radiation is the atmosphere of the Earth totally opaque.

Q: A B D X

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A: Answer:- (d) One half as much Newton's second law states that the force acting on the body causes a…

Q: S V1 + vx dx

A: This can be solved using the Simpson rule for calculation of integrals

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A:

Q: Value of acceleration of a vehicle is: a)inversely proportional to its mass b)independent from its…

A: According to the law's of motion Force F=ma Where m= mass of the body a= System acceleration

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.