An object with a mass of 5 kg is to be given an upward acceleration of 0.30 m/s2 by a rope pulling straight upward on it. What must be the tension in the rope? A. 48 N B. 51 N C. 75 N D. 26 N

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Q: An object slides on the flat ground. It comes to a stop under the influence of friction with a…

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Q: A block of mass 14kg slides on a horizontal rough surface with constant speed and is being pulled by…

A: Mass of block: m = 14 kg Acceleration of block: a = 0 m/s2 Force applied on block: F = 34N

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Q: 1. Two ropes are attached to a 40 kg object. The first rope applies a force of 25 N and the second,…

A: Mass of object, m = 40 kg. To solve this problem we will use the concepts related to the resulting…

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Q: A lawn mower is pushed at a constant velocity of 0.76m/s. The person pushes horizontally forwards…

A: Given, v=0.76 m/sF=80 N

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Q: A 40 kg runner experiences a vertical ground reaction force of 1200 N. What is the runner's vertical…

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Q: Two football players are pushing a 60 kg blocking sled across the field at a constant speed of 2.0…

A: Considering the motion in the y-direction, Substituting the values and solving gives

Q: A mango weighing 3 N is at rest on your head. What is the net force on the mango? a. Zero  b. 3 N,…

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Q: A rock (weight 25 N) is suspended from a cable attached to the ceiling of a moving elevator. If the…

A: Given: Weight of the rock is 25N, then the mass of rock m=25g=2510=2.5 kg      where g= accleration…

Q: Kercey pushes a 6.7-kg crate along a rough surface with 27.43 N of force. He observes that it is…

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Q: A 5.0 kg object is to be given a downward acceleration of 0.30 m/s2 with a rope supporting it…

A: Given: The mass of the object is 5 kg. The acceleration of the object is 0.3 m/s2 downward.

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Q: 2. Two blocks are stacked in an elevator as shown. The elevator is moving down at 3.0 an speeding…

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Q: A kinetic friction between the 10-kg box and horizontal plane is 0.30. A string is used to pull the…

A: Given: Mass of box, m=10 kg Coefficient of kinetic friction between box and horizontal plane, μ=0.30…

Q: Find the acceleration of a 4.0 kg box sliding across a level floor if it is being pulled forward by…

A: the net force on the box in the horizontal direction is Fnet,x=Tcosθ-f=20 Ncos60°-4 N=6 N

Q: A 5.0 kg object is to be given a downward acceleration of 0.30 meter per second squared with a rope…

A: Given  Mass of object,M = 5.0 kg  Acceleration = A = 0.3 m/s2 (downward)  Rope supporting it…

Q: A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. The…

A: Given data     The mass of the blocking sled, m = 60 kg Let F be the required force.

Q: A stone of mass 2 kg and weight 20 N falls through the air. The air resistance acting on the stone…

A: Given that,Stone of mass, m=2 kgForce, F=20 NAir resistance of stone, R=2 NWe can write, F=R+ma…

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Q: What is the force applied on a body with 5 kg of mass and an acceleration of 7 m/s2? A. ON B. 7 N C.…

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Q: Given a block which is at rest on a perfectly flat smooth table with no friction. You push with your…

A: Correct Answer- B) 6.00 m/s2

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Q: Jon Snow has a mass of 70 kg. He jumps down by 1m and hits ground 0.02 s. If he did not bend his…

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Q: A woman driving a 2000 kg car at 15 m/s fully applies the brakes 50. m from a stoplight. If the car…

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Q: a. Draw a free body diagram. b. What is the net force acting on the box? c. What force needs to be…

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Q: 5- If F = 40 N and M 15 kg, what is the tension in the string connecting M and 2M? Assume that all…

A: For mass 2M, From Newton's second law, we have          -F + T = 2Ma Where T is tension and a is…

Q: If a = +5.1m/s² in an elevator. What will be the tension (approximately) in the hanging cable if…

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Q: 1. A 60.0 kg skydiver is falling through the air (parachute opened). At one point, the acceleration…

A: mass of skydiver,m=60 kg acceleration due to  gravity ,g=10 ms-2 Net acceleration ,a =4.6 ms-2 Force…

Q: 13. 54-kg box is sitting on the floor of a level railroad car which is moving forward with a speed…

A: mass of box = 54 kg speed = 25 m/sa = 5.6 m/s2

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Q: A 1500-kg car has a velocity of 25.0 m/s. If it is brought to a stop in 15.0s, what was the…

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Q: Given a block which is at rest on a perfectly flat smooth table. You push with your hand…

A: Given Mass m = 2.00 kg Acceleration a = 5.00 m/s2

Q: Two ropes are attached to a 50-kg object. The first rope applies a force of 35 N and the second, 55…

A: Given data:  Mass (m) = 50 kg Force (F1) = 35 N and Force (F2) = 55 N Forces are perpendicular to…