2) A 65 kg woman is horizontal in a push-up position. What are the vertical forces acting on her hands ? Centre of Mass a) 433.3 N b) 217.3 N c) 220.4 N d) 410.4 N 0.50m- -100m

Q: tensions in the ropes are T₁ and T₂. In terms of M, g, and 0, obtain expressions for: (a) the…

A:

Q: A horizontal force F pushes a block mass m=4kg against a vertical wall. If the coefficient of…

A: The friction force is given by  Friction force = coefficient of friction x Normal reaction

Q: A 4-kg box and a 2-kg box can move on the horizontal frictionless surface. The box are accelerated…

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Q: The block on the left has a mass of 6-kg and is in contact with the 4-kg block on the right.  Both…

A:

Q: 11- If the weight of the block is 50N at the elevator, what will be the new weight when it is moved…

A: The weight of block = 50 N. So, mass of block = 50/9.8= 5.1 Kg.

Q: Balance the load P1 on the moving pulley and P2 on the inclined plane as shown in the figure. Since…

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Q: A dresser is being pushed by one person and pulled by another(as shown) such that is slides across…

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Q: A 20 N В 10 N 15 N

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Q: 36 Chapter 2 Force Systems 2/20 It is desired to remove the spike from the timber by applying force…

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Q: 14)A desk with a weight 670 N rests on a floor where the coefficient of static friction between the…

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Q: A glass optical fiber is used to transport a light ray across a long distance. The fiber has an…

A: given refractive index of fiber(n1)=1.530 Refractive index of ethyl alcohol (n2)=1.361 Required…

Q: A car with a mass of 1000 kg is going down a road with a slope of 150 degrees at a constant speed.…

A:

Q: Calculate the force (W) required to pull an object of mass 100 kg on a frictionless horizontal plane…

A: Given data: The mass of object is m=100 kg. The speed is constant with value v=5 m/s. The applied…

Q: A woman pushes a 50-N lawnmower with a force of 25 N. If the handle of the lawnmower is 45 above the…

A:

Q: The driver of a 1200 kg car steps on the brakes on a dry horizontal concrete roadway. Determine the…

A: Total mass = m= 1200 kg Co efficent of friction = 0.5 Frictional force between each tire= ?

Q: The force F applied to an object with a mass of 4 kg on a horizontal plane gives an acceleration of…

A: Mass of object (m) = 4 kg acceleration (a) = 5 ms2coefficient of kinetic friction (μk) = 0.25

Q: 12 Two concurrent forces have a maximum resultant of 45 newtons and a minimum resultant of 5.0…

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Q: A stationary object is affected by a net force of 32 N for 10 seconds. Since the mass of the object…

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Q: 1. (30) Replace the force system acting on the bar by an equivalent resultant force and a couple at…

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Q: Find the tension T3 according to the figure.

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Q: The automobile has a mass of 2 Mg and center of mass at G. Determine the towing fore F required to…

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Q: Two forces F₁ and F₂ act on a 5.60-kg object. F₁ = 30.0 N and F₂ = 10.0 N. m 90.0⁰ L 60.0⁰ m b (a)…

A: Given:           mass of object, m = 5.60 Kg            forces, F1 = 30.0 N and…

Q: 3. If a body A (such as your hand) exerts a force on body B (such as the wall), body B will also…

A: This law states that for every action, there is an equal and opposite reaction.It means that…

Q: 1- What are the external forces on the block lying on a friction incline? n and mg A) T,f; and mg…

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Q: 2) A 65 kg woman is horizontal in a push-up position. What are the vertical forces acting on her…

A:

Q: 12. To start a body to move on a surface generally requires O a) less force than to keep it moving O…

A: In a smooth surface there is no frictional force hence the force required to start a body is same as…

Q: a) Make FBD of each box b) From FBDs, calculate tension in both cables c) Determine acceleration of…

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Q: A 32.0 kg hiker's backpack is suspended by a single rope between two trees so that the pack is in…

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Q: 3) Two boxes of masses m and 2m are connected by a rope. If the forward force on the more massive…

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Q: 10 ) What is the resultant of two forces, F1= 100N;  60˚ and F2 = 200 N; 30˚, acting on a body?

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Q: 5) Two crates connected by a rope lie on a horizontal surface as shown in the figure. Crate A has…

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Q: 7. The masses of the red and green boxes are 7.82 kg and 2.77 kg, respectively. If the red box is…

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Q: 3) A 10 kg object experieñces a force applied of 46 N at 24 degrees with respect to the horizontal.…

A: Force is applied  of 46N at  24 degree with respect to the horizontal, for this question we have to…

Q: The weight on the left is 50 grams and the distance from the center point is 4 units. The distance…

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Q: 6) The kinetic friction force that a horizontal surface exerts on a 60.0-kg object is 50.0 N. If the…

A: From Newton’s second law of motion.

Q: Draw a picture Label which directions are positive (x- and y-), and label relevant quantities on…

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Q: 6. Note the situation where the clothes hanging on the line may be too low. If the weight of the…

A: Weight Of clothes is balanced by vertical component of tension force . Angle made by string with…

Q: (a) what can be said if the force experienced by the insect as compared to the force experienced by…

A: (a) In this case for comparing the force of insect and force experienced by car we can use the…

Q: 1. Six identical blocks weighing 100-N are placed on a leveled table as shown in the drawing below.…

A:

Q: 1) In the figure on the the coefficient of kinetic Select one: O a. 0.35 b. 0.5 c. 0.8 d. 0.87

A: Given-M=0.5 kgm=0.4 kg

Q: A 4-kg box and a 2-kg box can move on the horizontal frictionless surface. The box are accelerated…

A: Force applied on 4kg=+12N

Q: 3) The kinetic friction coefficient between the box and the table is 0.35. The mass of the box is 30…

A: On the 30 kg block the only forces acting are the rightward tension force and the leftward frication…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: