A train has a mass of 1.0x107 kg. If the locomotive can exert a constant traction  of 6.8x105 N. How much time will it take for the train to speed up the velocity from repose (0 km/h) to 60 km/h?

Q: A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum…

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Q: A freight train has a mass of 1.5x 10^7kg. If the locomotive can exert a constant pull of 7.5x 10^5N…

A: Mass of the train is m=1.5×107 kg The locomotive can pull with a force, F=7.5×105 N As the the train…

Q: A 10.0 kg box slides down a 30.0 degrees incline at a rate of 0.40 m/s^2. What is the coefficient of…

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Q: A freight train has a mass of 1.4 ✕ 107 kg. If the locomotive can exert a constant pull of 7.7 ✕ 105…

A: To find the acceleration: Let's use Newton's force formula in terms of mass and acceleration…

Q: By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?

A: Given:  v1 = 65 km/h  v2 = 110 km/h

Q: Neglecting friction and air resistance, what force is required to accelerate an automobile weighing…

A: Given Dara : The weight of the automobile is given as W=2.5×104 N The initial speed of the…

Q: An automobile weighing 1700 kg is driven down a 5° incline at a speed of 90 km/h when the brakes are…

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Q: A block of weight 25 kg is resting on an inclined surface with dimensions of 4 meter wide and 3 m…

A: Analyze the free body diagram of the given situation. Note- Consider the rightward direction along…

Q: A freight train has a mass of 1.2 ✕ 107 kg. If the locomotive can exert a constant pull of 6.9 ✕ 105…

A: freight train has a mass = 1.2 ✕ 107 kg vi = 0 m/s vf = 70 km/h = 19.44 m/s F(locomotive) = F(pull)…

Q: A block of mass m= 4 kg rests on a larger block of mass M= 12 kg and the two are connected by a…

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Q: Determine the coefficient of friction between the incline plane (green color) and the 5 kg and 10 kg…

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Q: A freight train has a mass of 1.2 ✕ 107 kg. If the locomotive can exert a constant pull of 7.9 ✕ 105…

A: The expression for acceleration of the train will be, a=Fma=7.9×105N1.2×107kga=6.6×10-2m/s

Q: Bob is pulling a 30 kg filing cabinet with a force of 200 N , but the filing cabinet refuses to…

A: The frictional force exerted on the filling cabinet is equal to the force due to static friction.

Q: There are nine books in a stack, each with a weight of 5.5 N. The coefficient of friction between…

A: Given that - Weight of each books Coefficient between the table and bottom book.

Q: A 4.9 kg block is dragged up a hill by a 40 N force pointing uphill.  If the hill is inclined at…

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Q: There are nine books in a stack, each with a weight of 1.1 N. The coefficient of friction between…

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Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.6 ✕ 105…

A: From Newton’s second law of motion.

Q: A constant applied force F, of 15.0 N pushes a box with a mass m = 6.00 kg a distance x = 15.0 m…

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Q: A freight train has a mass of 15000 kg. If the locomotive can exert a constant pull of 6000 N, how…

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Q: A 1.8-kg person riding a slide down a rough hill of 20° slope. If the kinetic coefficient of…

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Q: A 75kg box slides down a ramp 25.0° to the horizontal with an acceleration of 3.60 ms. a=3.60 ms…

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Q: The figure shows a 7.0 kg block slides down on an inclined rough plane at constant acceleration of…

A: Mass, m= 7.0 kg Acceleration, a = 2.0 m/s^2 Angle of inclination, = 30 degrees Taking g= 9.8 m/s^2

Q: A flatbed truck is carrying a 30-kg crate up a sloping road at a constant speed. The coefficient of…

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Q: A 50-N block, on a 30° incline, is being held motionless by friction. The coefficient of static…

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Q: A 8.2 kg mass slides down a flat hill that makes an angle of 32 with the horizontal. If friction is…

A: Given data The mass is m = 8.2 kg The angle with the horizontal is θ = 32°

Q: A 3-kg block slides at constant velocity down a 32° inclined plane. What is the coefficient of…

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Q: A 10-kg mass slides down a flat hill that makes an angle of 20° with the horizontal. If friction is…

A: Mass = 10 kg Angle = 20°

Q: A freight train has a mass of 1.5 × 107 kg. If the locomotive can exert a constant pull of 7.5 × 105…

A:

Q: A 22kg crate resting on a horizontal surface is pushed as shown. If a force of 95N is required to…

A: The mass of crate is 22 kg. The applied force is 95 N. The free-body diagram of the crate is given…

Q: A 10-kg mass slides down a flat hill that makes an angle of 20° with the horizontal. If friction is…

A:

Q: A freight train has a mass of 1.4x10^7 kg. if the locomotive can exert a constant pull of 8.3x10^5…

A: According to the Newton’s second law, the acceleration of the freight train,Substitute the values,

Q: A freight train has a mass of 1.4 x 10' kg. If the locomotive can exert a constant pull of 6.8 x 105…

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Q: 8. Two blocks joined with a rope that runs over a pulley. The mass m2 is 6 kg and the incline is 30.…

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Q: A 2-kg mass starts from rest and slides down an inclined plane 80 cm long in 0.5 s. What is the net…

A: Mass of body=2kg Placement of body=80cm =0.8m Time taken =0.5s

Q: Bob is pulling a 30 kg filing cabinet with a force of 200 N, but the filing cabinet refuses to move.…

A: Given Mass of cabinet is m= 30 kg Coefficient of static friction between the filing cabinet and the…

Q: A freight train has a mass of 1.1 ✕ 107 kg. If the locomotive can exert a constant pull of 7.4 ✕ 105…

A: Given information:Mass of the train (m) = 1.1 × 107 KgForce the locomotive can exert (F) = 7.4 × 105…

Q: A mover pushes a 30.0 kg crate across a wooden floor at a constant speed of 0.75 m|s. If the…

A: Given data The mass of the crate is given as m = 30 kg. The constant speed of the crate is given as…

Q: Marwa exerts a 36 N horizontal force as she pulls a sled of mass 2.5kg across a cement sidewalk at…

A: Given data: Magnitude of horizontal force is, F=36 N. Mass of sled is, m=2.5 kg. Magnitude of…

Q: A cat experiences an upward force of 9N, while it is sleeping inside an elevator. What is the…

A: Given upward force acting on cat is 9N We can solve this problem by applying equilibrium for…

Q: A box is vertically pulled by a rope against gravity at an acceleration of 2 m/s?. If the mass of…

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Q: A freight train has a mass of 1.0 ✕ 107 kg. If the locomotive can exert a constant pull of 8.2 ✕ 105…

A: Given data The mass is, m=1.0x107 kg The force is, F= 8.2x105 N The initial speed is u=0 km/h = 0…

Q: Suppose a car accelerates from 69 to 112 km/h?

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Q: As Dennis is taking a bath, the soap falls out of the soap dish and he steps on it with a force of…

A: Given: Normal force applied by Dennis is N=400 N The frictional force between the soap and the tiled…

Q: A 100 kg crate is being pushed on a horizontal floor at constant velocity. Given that the…

A: Mass of crate(m) = 100 kg Friction  coefficient (μκ) = 0.2 g= 9.8 m/s2

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.