force is equal to the weight w=mg

Q: Procopio is driving a car (m = 1000 kg) at v1 = 11.11 m/s when he stepped on the brakes. The car…

A: Given: mass m = 1000 Kg           initial velocity v1= 11.11m/s           final velocity v2  = 0…

Q: A force of F = 1.12 x 104 Newtons does work of W = 1.18 x 10° Joules. What is = Work Force)? the…

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Q: A man applies a force of 500 N to push a truck 10 m down the street. How much work has been done?…

A: Force, F = 500 NDisplacement, x = 10 m

Q: A force is given by the vector F = ( 13 i + 8 j) N and moves from the point (3i+ 8j) m to the point…

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Q: In the plot shown of force vs. distance, approximately how much work is done in moving an object…

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Q: A particle of mass 2.0 kg moves under the influence of the force F(x) =(−5x2 + 7x)N. Suppose a…

A: Given The mass of the particle is m = 2 kg. The force applied to the particle is F = (−5x2 + 7x)N.…

Q: Suppose that 3 J of work is needed to stretch a spring from its natural length of 24 cm to a length…

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Q: A force F = 7.3 Ni – 4.5 Nĵ acts on an object. While this force acts, the has a displacement 7 = 1.5…

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Q: The dot product is an operation between two vectors and is a fundamental part of the definition of…

A: The vectors are given as,

Q: Can the normal force on an object ever do work? yes no

A: Yes sometimes Normal force also do works on an object.

Q: Andy carries a sack of rice on his shoulder by applying a 250N force. Andy moves 8 m horizontally,…

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Q: A physicist has been studying the effects of an unknown force. The work required to move an object…

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Q: Suppose a person pushes a box over a distance of 4.38 m with a constant force  of 330.2 N.  How much…

A: The solution is given below

Q: An object of mass (m = 5.4 kg) moves under the influence of one force. That force causes the object…

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Q: Using 1000. J of work, a small object is lifted from the ground floor to the third floor of a tall…

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Q: Suppose that 3 J of work is needed to stretch a spring from its natural length of 36 cm to a length…

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Q: Andy carries a sack of rice on his shoulder by applying a 250N force. Andy moves 8 m horizontally,…

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Q: A worker pushes a wheelbarrow with a horizontal force of 240 N over a level distance of 5.0 m. If a…

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Q: If gravity is pulling a 0.15 kg ball down 2.0 meters, what is the magnitude of the force doing work…

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Q: The force acting on a particle is F(x)= 2x- 2x, where F is in N and x is in meters. Find the net…

A: In one dimensional motion of a particle, work done is given by, W=∫x1x2F(x)dx. Where F(x) is force…

Q: A particle is subject to a force Fx that varies with position as shown in the following figure. Find…

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Q: The force on a particle is directed along an x axis and given by F = F0(x/x0 - 1) where x is in…

A: The force on a particle directed along x axis is given by,

Q: What is the equation for horizontal work?   Rogelio pushes a book 3 m across the table. If he uses…

A: Work done = force × displacement

Q: You go for a walk one afternoon down a level street to a park where there is a hill.  If the hill is…

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Q: A particle was subjected to a force F, that varies with position as described by 375 F where F is in…

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Q: A can of sardines is made to move along an x axis from x = 0.26 m to x = 1.11 m by a force with a…

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Q: Imagine a spring that doesn't follow Hooke's Law, but instead requires a force…

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Q: In the plot shown of force vs. distance, approximately how much work is done in moving an object…

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Q: A force is given by the vector F = ( 2 i + 5 j) N and moves from the point (3i + 4j) m to the point…

A: force = (2i^ + 5j^) N initial position = (3i^ + 4j^) m final position = (2i^ + 3j^) m

Q: A typical muscle fiber is 2.0 cm long and has a cross-section area of 3.1 x 10-9 m2. When the muscle…

A: The expression for the work done by the muscle fiber is given by, W=F∆L The value for the change in…

Q: A one-dimensional force has the form F(x) = A x2-Bx where A =1.8 N/m2 and B = 0.65 N/m. How much…

A: We have a one-dimensional force which is given by  F(x)=Ax2-Bx  where constants A=1.8 N/m2 and…

Q: A block is pulled with a one dimensional variable force F = 9x² – 2x. Calculate the work F done by…

A: Given:  Variable force, F=9x2-2x Let's find W.D from x=1 m to x=5 m.

Q: A spring workout can be modeled by Hooke's law F = kx where k is force constant. When the spring is…

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Q: A block of mass m is placed on a rough incline surface making an angle 0 = 27.5 with horizontal. A…

A: Mass of the block is m  Angle of inclination is 27.5 degrees Horizontal force applied is F = 10.3 N…

Q: A variable force (in Newtons) acting on an object is represented by the function F(x) = 4x3+ 3x2− 8…

A: Given: The force function (F(x)) is given by 4x3+3x2-8.  Introduction: The work done on an object by…

Q: The graph (attached) shows the x component of a force that acts on an object that moves on the x…

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Q: A student is pulling her wagon along a flat level ground with a 50.0N force 30 degrees above the…

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Q: A block is pulled with a one dimensional variable force F = 9x² – 2x. Calculate the work F done by…

A: Work done  W=∫x1x2Fdx=∫159x2-2xdx=9x33-2x2215=9533-2522-9133-2122=348 J

Q: Procopio is driving a car (m 1000 kg) at v = 11.11 m/s when he stepped on the brakes. The car…

A: mass of the car, m = 1000 kgintial speed, v1 = 11.11 msdistance traveled by car before comming to…

Q: A spring has a natural length of 6 m. If a 4-N force is required to keep it stretched to a length of…

A: Given value--- Applied force = 4 N. change in length = 10 m - 6 m = 4 m. We have to find--- how…

Q: Three forces, F1 = 29.0 N, F2 = 43.0 N, and F3 = 15.0 N act on an object with a mass of 2.00 kg…

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Q: A 4.8 kg box has an acceleration of 1.8 m/s when it is pulled by a horizontal force across a surface…

A: Given that,mass, m=4.8 kgacceleration, a=1.8 ms2μk=0.50work done over distance=22 cmd=0.22 m…

Q: If 54 J of work is needed to stretch a spring from 16 cm to 22 cm and another 90 J is needed to…

A: Given ,               Work done W1= 54 J                                   ∆x1= 22-16= 6cm= 0.06m…

Q: The graph shows the x component of a force that acts on an object that moves on the x axis. The…

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Q: The length of the Achilles tendon increases 0.500 cm when the force exerted on it by the muscle…

A: Force increased from 3205 N to 4772 N.

Q: A block of mass m is placed on a rough incline surface making an angle 0 = 28.3 with horizontal. A…

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Q: A physicist has been studying the effects of an unknown force. The work required to move an object…

A: Part A By triangle law of addition D) arrow show correct diagram Option d) is correct

Q: The force on a particle is directed along an x axis and given by F = F0(x/x0 - 1) where x is in…

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