A block is lifted using a pulley system as shown. The acceleration of the block is 3.0 m/s2 the applied force is 40 N. Find the mass mm of the block, assuming the pulleys are massless and frictionless.

Q: 2. A carpenter holds a 6.00 m beam momentarily at rest with one end above rough floor/as shown in…

A: a)

Q: A block is placed on a frictionless 30 degree incline.the mass of the block is m=30kg. D.what is the…

A: Draw free body diagram and see the component which will give acceleration.

Q: This problem concerns the concept of tension in a rope. Consider a rope subjected to a pulling force…

A:

Q: A 98N force is needed to push a 45kg box across the wooden floor. What is the value of the…

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Q: An 814.5-kg mass is suspended from its body by a rope as shown in the figure and has an angle thetha…

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Q: A weight 100.0N, hangs from the centre of a rope so that both ends of line hang down making a 60°…

A: In this scenario, the sum of the tension's vertical components balance the weight. 2Tsinθ=mg…

Q: A hand tractor of mass 1000kg is attached by means of a horizontal, massless chain to a log whose…

A:

Q: Three forces in the x-y plane act on a 4.40 kg mass: 14.90 N directed at 57o, 8.40 N directed at…

A: In this question, we use Newton's second law of motion to find the acceleration.  Net force = mass x…

Q: A rope is attached to two posts and supports a 145 kg sign. What are the tension in each rope if the…

A:

Q: 6. A 100 kg scaffold is 6.60 m long. It is hanging with two wires, one from each end. A 440 kg box…

A: The mass of the scaffold is m = 100 kg. The mass of the box is mB = 440 kg. The length of the…

Q: A tractor has mass 750.0 kg, while cart A has mass 350.0 kg and cart B has mass 150.0 kg. The…

A:

Q: The leg and cast weigh 220 N (w1). Determine the weight w2 and the angle alpha needed so that no…

A: If the hip exerts no force on the leg, the system must be in equilibrium as shown in free body…

Q: Consider the 56.0 kg mountain climber in the figure. (a) Find the tension in the rope (in N) and the…

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Q: Figure: M,: 4 Unknown:_1 and_ U-0.3 Mn 7 kg.

A: Given: The mass of the 2 blocks is given m1 = 4 kgm2 = 7 kg The coefficient of friction is also…

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: