If a guy pushes on a 96 kg refrigerator (on frictionless wheels) with 186 Newtons of force, then find the refrigerator's acceleration.

Q: A person is pushing a box of mass 5 kg horizontally across a floor using a constant force of 13 N.…

A: F-Ffriction=maa=F-Ffrictionm=13 N-3 N5 kg=2 m/s2

Q: A 65-kg skydiver jumps out of an airplane and falls 320 m, reaching a maximum speed of 69 m/s before…

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Q: A 75 kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 825…

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Q: A box with a mass of 5 kg accelerates its speed in a straight line, increasing it from 5 m/s to 8…

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Q: A boat moves through the water with two forces acting on it. One is a 1,500-N forward push by the…

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Q: You are standing on the floor of a stationary elevator.  You weigh 99.7 kg, what is the magnitude of…

A: Given  Mass of man m=99.7kg Free body diagram is shown below

Q: A woman of mass 58.4 kg is standing in an elevator. If the elevator floor pushes up on her feet…

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Q: A student pushes a 40 kg box with a force of 50 N at an angle of 60 degrees above the horizontal. If…

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Q: A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its…

A: a) We know ,    V=u+atgiven , V= 90km/h              = 90x1033600            = 25m/su=0t=10…

Q: A fireman with a mass of 55.7 kg slides down a vertical pole at a constant speed. What is the force…

A: mass of fireman (m) = 55.7 kg   Weight of fireman = m×g   =55.7×9.8 = 545.86 N

Q: Derek pushes a 10kg crate along a rough surface with 35N of force. He observes that it is only…

A: Given data:  Mass of crate (m) = 10 kg Force applied (F) = 35 N Acceleration (a) = 2 m/s2 Required:…

Q: A 1100-kg car pulls a boat on a trailer. (a) What total force resists the motion of the car, boat,…

A: (a) From Newtons second law the force equation of the system is F-f=mc+mbta Here, F is the force…

Q: Suppose a 55.5 kg55.5 kg gymnast climbs a rope. What is the tension in the rope if she climbs at a…

A: The tension in the rope if the gymnast climbs at constant speed is as follows: T=mgT=55.5 kg9.8…

Q: An elevator and it's load have a combined mass of 800 kg. The elevator is initially moving downward…

A: m=Mass of elevator=800 kga=Accelerationu=Initial velocity=10 m/sv=Final…

Q: A woman of mass 51.0 kg is standing in an elevator. (a) If the elevator floor pushes up on her feet…

A: SOlution: Given that m = 51 kg F = 408 N v = 1.5 m/s t = 4s

Q: A person of mass m = 55 kg is in an elevator which is accelerating upward at acceleration a= 2.3…

A: Scenario - A man travelling up in a lift feels heavier due to resultant of his weight and…

Q: A person whose mass is m = 97.0 kg steps on a mechanical bathroom scale placed on an inclined plane…

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Q: Imagine a landing craft approaching the surface of Callisto, one of Jupiter's moons. If the engine…

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Q: A constant force acts on a 25 kg object and reduces its velocity from 17 m/s to 13 m/s in a time of…

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Q: When a parachute opens, the air exerts a large drag force on it. This upward force is initially…

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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: