A man 70 kg is in an elevator that is accelerating upward at 4 m/s2. The force exerted on him by the elevator floor is closest to Choices 71N 700N 290N 410N 990N   Show complete solution and free body diagram

Q: A 8.0 kg bowling ball is at rest at the end of the bowling lane. What is the force acting on the…

A: Given: mass of ball m=8 kg Ball is at rest To find: Force F=??

Q: 2. An elevator is moving downward and slowing down at 4 m/s/s. Inside the elevator, a yellow box…

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Q: onsider a person standing on a scale in an elevator. If the elevator accelerates upwards with an…

A: Write the given values with the suitable variables. a=1.21 m/s2m=102.9 kg Here, a is the…

Q: A student is trying to find the force on a person at the bottom of a Ferris wheel, and writes the…

A: Answer is option (B)Centripetal force may be due to one or more individual forces such as normal…

Q: A 80 kg skydiver is free falling at a constant velocity of 19 m/s. What is the net (total) force…

A: Given,  Mass of skydiver = 80 kg Velocity of skydiver = 19 m/s

Q: Two blocks (A) and (B) of respective masses ma = 2 kg and mg = 3 kg, are placed in contact side by…

A: Answer:-  12 N  Given  Mass of block A (mA) = 2 kg  Mass of block B(mB) = 3 kg  Force (F) = 20 N…

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of…

A: Weight of person , W = 800 N  Acceleration of elevator , a = 0.5 m/s2  Mass of person , m = W/g  g…

Q: A 23.8 lb object has the acceleration components ax=(0.71ms2)+(0.75ms3)t ay=(11.3ms2)−(0.91ms3)t…

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Q: Rank the following objects based on the Net Force they experience. Put them in order from least…

A: The Net force with net horizontal Fx and vertical force Fy is given by, F=Fx2+Fy2

Q: A 80 kg skydiver is free falling at a constant velocity of 19 m/s. What is the net (total) force…

A: Given Mass of the sky diver, m=80kg Constant velocity, V=19m/s The net (total) force can be…

Q: Consider a 75 kg person standing on a scale in an elevator. Hypothesize the strength of the normal…

A: Page 1

Q: A skier of mass m is sliding down a snowy slope that is inclined at an angle θ above the horizontal.…

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Q: Use the following constants if necessary. Coulomb constant, k = 8.987 × 10º N · m² /C². Vacuum…

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Q: Rudolph's mother is a physicist. She gave him a present for his birthday, but she told him he can…

A: Given data:  Normal force (FN) = 55 N Required: The mass (m)

Q: A student is trying to find the force on a person at the top of a Ferris wheel, and writes the…

A:

Q: A 1-kg block is stacked on top of a 2-kg block that rests on the ground. Denote the 1-kg block as…

A: The four fundamental forces in nature are: Gravitaitonal Force Electromagnetic force Weak  force…

Q: A student with a mass of 45 kg stands on a bathroom scale in an elevator. What can you say about the…

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Q: A 12.5 kg box, which is on the top of a horizontal, frictionless table, is connected to a second…

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Q: In the following diagram the wood block A has a mass of 1000 kg and the wood block B has a mass of…

A: Given:

Q: A train car has block M₂ on the floor of the car and block M₁ stacked on top of M₂. You acceleration…

A: (a) The free body diagram is  (b) For mass M1 Equate the forces along vertical direction  N1=M1g…

Q: A person is moving a sofa across the floor at a constant speed applying a constant horizontal force.…

A: Answer:   As per the given statement,   The motion of the sofa change after the force was increased…

Q: A 47.4 kg woman stands on a bathroom scale while riding an elevator. Determine the reading on the…

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Q: A train car of mass%3DM%3D 2400 Kg is initially at rest, Pushed by a net force exerted by magnets,…

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Q: A man pushes a 50.0-kg rock across a frozen lake with a force of 70.0 N at an angle of 30° below the…

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Q: M1 (3.0 kg) is connected to M2 (2.0)) with a rigid light string. Both sits on a leveled ground of…

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Q: Two blocks connected by a light horizontal rope sit at rest on a horizontal, frictionless surface.…

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Q: A 20 kg book is at rest on the surface of a horizontal desk. What is the magnitude of the normal…

A: Draw the free-body diagram of the system.

Q: A)Find the magnitude of the total force ( |F1 + F2|) acting on this hockey puck. B)If the mass of…

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Q: Two masses (100 g and 00 g) are hanging from the torce table as shown in the figure. The magnitude…

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Q: A 35 kg block is at rest on an inclined plane at 13°. What is the magni- tude of the normal force on…

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Q: Three boxes with a mass M1, M2, and M3 are connected by massless, inextensible strings which pass…

A: The free body diagram of the mass M1 is given above.

Q: A 77-kg woman holds a 7-kg package as she stands within an elevator which briefly accelerates upward…

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Q: A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of…

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Q: You are standing on a scale inside an elevator (near the Earth's surface) just to weird people out.…

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Q: A 31.4 kg woman stands on a bathroom scale while riding an elevator. Determine the reading on the…

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Q: A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of…

A:

Q: A 40.8 kg woman stands on a bathroom scale while riding an elevator. Determine the reading on the…

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Q: A person stands on a scale inside an elevator at rest. The scale reads 800 N. The elevator…

A:

Q: Two blocks, A and B, are being pulled to the right along a horizontal surface by a horizontal 100-N…

A: Given that,               Two blocks, A and B, are being pulled to the right along a horizontal…

Q: Two blocks connected by a light horizontal rope sit at rest on a horizontal, frictionless surface.…

A: Given  Mass of block A , Ma = 15.0 kg  Mass of block B, Mb = m  Constant force applied ,F = 80.0 N…

Q: A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading…

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Q: A person stands on a scale inside an elevator at rest. The scale reads W= 666N . The elevator…

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Q: An 80.0 kg athlete stands on scale in an elevator which is at rest. The elevator then begins…

A:

Q: A student is trying to find the force on a person at the top of an inverted roller coaster, where…

A: The correct option is (A). For the case of inverted roller coaster, where the person is upside down…

Q: Draw a free body diagram for the teenager only. Draw a free body diagram for the tennager and the…

A: Weight will act downward and normal will act upwards.

Q: A71-kg woman holds a 9-kg package as she stands within an elevator which briefly accelerates upward…

A: It is given that,                        The mass of the women is Mw =71 kg.…

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!