Ex77 : When the load applied to a suspended wire is increased from 3 kg. wt. to 5 kg wt. the elongation increases from 0.6 mm to 1 mm. How much work is done during this extension of wire ? (g = 9.8 m/s?) %3D
Q: A man is carrying a mass m on his head and walking on a flat surface with a constant velocity v.…
A: The problem is based on the concept of work done against gravity. W = (|F| cosθ) |d| .We know that…
Q: box of 18kg is released from rest on a rough inclined plane and slides to the bottom. The plane is…
A: Here Mass of a box = 18kg released from rest on a rough inclined plane and slides to the bottom.…
Q: An object in a horizontal surface was moved by applying a constant force (in Newtons) F = 8î + 5j.…
A: W=F⇀·d⇀=8i+5j N·9 m=72 J+0 J=72 J
Q: 2. Which situation demonstrates a positive work done? Group of answer choices A basket being lifted.…
A: Case 1 Work is done by man against gravity When basket being lifting Case 2 No work done by boy…
Q: A 80-N constant force exerted on a 15-kg object for 12 seconds. The initial velocity of an object is…
A: Given value--- force = 80 N. mass = 15 kg. time = 12 sec. initial velocity = 6m/s. We have to…
Q: The 8-kg block is acted upon by a 100-N force as shown in Fig. 17-34. If the coefficient of sliding…
A: Given: The mass of the block is 8 kg. The applied force is 100 N at 20o horizontal. The coefficient…
Q: 5. A factory worker pushes a 42.5-kg crate a distance of 11.2 meters along a level floor at a…
A: Given that: The mass of the crate is m=42.5 kg The distance is d=11.2 m The coefficient of kinetic…
Q: a. Discuss, with diagrams, the kinematics and dynamics of an object undergoing curvilinear motion. -…
A: An object is said to be in motion if its position changes with respect to time. When a particle is…
Q: 1. Find the force for each of the following potential energy functions: (a) V = cxyz + C (b) V = ax²…
A: The objective of the question is to find the force for given potential energy functions, determine…
Q: 36.) When a 2.0 kg science textbook is sitting on a table that is 2.0 meters above the floor, how…
A: It is given that,
Q: C4. In the general expression for the work W by a force F, W = F. ds, the vector ds is... a small…
A: Answer C4: The correct options is C i.e, a small element of displacement of the point of application…
Q: 270kg load is lifted 21.0m vertically with an acceleration a=0.170g by a single cable. A. Determine…
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Q: 2) A 45.0 kg block is pushed by a force that forms an angle of 30º, as shown in the figure. the…
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Q: 2. A cannon is rigidly attached to a carriage, which can move along frictionless horizontal rails,…
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Q: Q1 : A force F = ( 8i + 3j) N acts on aparticle that interrogees a displacement d = (2i + 2j )m A -…
A: It is given that, F→=8i+3j Nd→=2i+2j m
Q: A 45 kg skier starts from rest and skies down a hill that is angled at 17 degrees from horizontal.…
A: Work done is given as the dot product of force vector and displacement vector . Also according to…
Q: As an object moves along the 26.0 m axis from = 0.0 m to z = 26.0 m it is acted upon by a force…
A:
Q: 2876 kg elephant from Asia (Elephas maximus) pushes against a coconut tree (Cocos nucifera), which…
A: Here elephant is the agent which exerts external force. There is no conservative as well as non…
Q: A 240 kg cable that is 100 m long hangs vertically from the top of a tall building. a. How much work…
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Q: You slide down a snowy hill on a toboggan from a height of 7 m. The hill has a constant slope such…
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Q: A box is pulled 2.0 meters along a rough surface at constant velocity using 100 N force inclined at…
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Q: An elevator is lifted by its cables at a constant speed. Is the total work done on the elevator…
A: If the elevator lifted by cables on the elevator two forces are acting 1) gravitational force…
Q: 3) Is it possible for a system to have negative potential energy? A. Yes, as long as the kinetic…
A:
Q: In a basketball game, lebron made a dunk. At the time he was hanging on to the rim, the rim was…
A: Write the given values with the suitable variables. x=15 cm=0.15 mh=1.5 mm=110 kk=7 kN/m=7000 N/m…
Q: A particle has a displacement of d = 2î – 5ĵ (m). A constant force F = 2î +4} (N) acts on the %3D
A: The displacement of the particle, d→=2i^-5j^ m. The force acts on the particle, F→=2i^+4j^ N.
Q: Q1/Given the three-dimensional potential energy function 1 V(r) = vo -so?e r/82 where r ix + jy + kz…
A: Given data, Potential energy :- Vr=Vo-12sδ3e-rδ2 where, r→=xi^+yj^+zk^
Q: A constant force of 9 Newtons passes through a point (3, -4) and (10, -2). What is the work done by…
A: Work done is defined as W=F→.S→F →=force vectorS→ =displacement vector
Q: A body is falling freely under the action of gravity alone in vacuum. Which of the following…
A: To determine: The correct option.
Q: 1. Some species of whales can dive to depths of 800m. What is the total pressure they experience at…
A:
Q: 1 а 2 The work done by a conservative force between two points A and B depends on a path taken True…
A: Given data: A conservative force Object moves from Point A to B by two ways Required: The work done…
Q: The force required to compress a non-standard spring as a function of displacement from equilibrium…
A:
Q: tus: QUESTION 15 The figure shows an overhead view of three particles on which external forces act.…
A: In the given problem, there are three particles distributed among a common origin of the system. Of…
Q: 1. A spring (k=100 N/m) is hanging from the ceiling when somebody attaches a 2 kg block to the end…
A:
Q: A force is acting on a 2.00 kg particle whose position changes with time as x = 4.0 t² - (1/3) t³,…
A:
Q: 1-An object of mass m=2kg which is initially at rest is pushed upward by a horizontal force F=…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: Two forces oppose one another by acting in opposite directions on a 10 kg object, one being a…
A: We are given 2 forces. They are acting in opposite direction. One has constant magnitude, other has…
Q: 15.The object's potential energy at point C is less than its potential energy at point. A only B…
A: Answer :- (a) A only The objects potential energy at point C is less than its potential energy at…
Q: 2. A force acting on an object moving along the x axis is given by Fx=(14x- 3.0x) N where x is in m.…
A: Given- Fx = 14x - 3x2 N x moves from, x = -1 m to x = 2 m,
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