Assume all strings and pulleys are ideal and all surfaces are frictionless unless specified. 1. A worker pushes two crates across a level, frictionless floor with a horizontal force of 150 N. Crate A has a mass of 75 kg and Crate B has a mass of 25 kg. Calculate the acceleration of the crates and the normal force between the crates. HAB А В

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A: Given : m = 75.1 kg v = 46.5 m/s Fdrag = kv2 g = 9.8 m/s2

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Q: 2) 50.0 kg box is on a 30.0° incline. A) What frictional force (static) is required to keep it from…

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Q: ver RV=4OCOSGO = 20N Q2) A car weighing 1500N rest on a 30 degree hill. find the component of the…

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Q: S What is the weight of the crate? R tems 8 to 10, refer to the following situations coetticient of…

A: Given,  Mass M = 40 kg Coefficient of friction m = 0.68    8) Weight W = Mg = 40*9.8= 392 N   Option…

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Q: Fcosθ−μsN=0  Fsinθ+N−mg=0   In order to find the magnitude of force F , we have to solve a…

A: Given equations -  Fcosθ-μsN=0 ..... (1)Fsinθ+N-mg=0 ..... (2) Where,  F=Forceθ=AngleN=Normal…

Q: f a force of 86N parallel to the surface of a 20° inclined plane will push a 120 -N block up the…

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Q: A 2.2 kg crate is being dragged across the floor by a horizontal force of 34 N. If it accelerates at…

A: Mass of crate, m=2.2 kg Applied force, Fa=34 N Acceleration, a=1.55 Let f be the force of friction.…

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Q: Suppose you have a 112-kg wooden crate resting on a wood floor. (Hg = 0.3 and , = 0.5) (a) what…

A: Mass of crate (m)= 112 kg coefficient of static friction = 0.5coefficient of kinetic friction = 0.3…

Q: 1. A wagon on the ground (mass 60 kg) is stationary. a) What is the upward force F of the ground on…

A: Given information: The mass of the wagon is, m=60 kg

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A: Let T be the tension in the violin string, and θ be the angle made by the violin string with the…

Q: 2) A body of mass m falls from the rest in a medium offering resistance proportional to the square…

A: As resistance force is proportional to v2So F=Cv2 where C is a constant.

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A: Given data: The weight of object is W=240 N. The inclination of inclined rope is θ=30°.

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A: Given:Mass of the crate = 30 kgForce applied by the man = 125 N

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A: Given: Total length L = 6 m. Scaffold weighs = 200 N. Tension in A is 750 N. Tension in B is 250 N.…

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Q: If the coefficient of friction between a 40.0 kg crate and the floor is 0.680, (a) what horizontal…

A: Mass of the crate=40 kg Coefficient of static friction, µs=0.680 Acceleration due to gravity ,g=10…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!