An object of mass (2 kg) is sliding with a constant velocity of (4 m/s) on a friction less horizontal table. The force required to keep the object moving with the same velocity is O 8 N O 2 N O 32 N O Zero

Q: a mass of m=22 kg is hanging from a string connected to a hook on the ceiling. The configuration is…

A: Given: mass attached with string is m=22kg  The system is at rest

Q: A 13-N weight and a 12-N weight are connected by a massless string over a massless, frictionless…

A: Given:               g= Acceleration due to gravity               mass A 'mA' = 13g kg…

Q: A 100-kg object moves on a level surface with a coefficient of friction of 0.40. If the initial…

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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: The cabinet has a mass of 100kg. It therefore has a normal force of _________ N and a friction force…

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Q: A spring exerts a horizontal force of 100 N on a ring. Calculate the tension in AB 30.0 | D O 156 N…

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Q: A stalled car weighing 2500 kg is being pushed up a hill at constant velocity of 5 mi/h by three…

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Q: A 45 ° wedge is pushed along a table with constant acceleration A. A block of mass m slides without…

A: Given: Angle of the wedge = 45°

Q: The electric motor of a model train accelerates the train from rest to 0.620 m/s in 21.0 ms. The…

A: Given- Initial velocity u=0 The final velocity of the train v=0.620 m/s Time t=21ms=0.021 s The…

Q: A sphere of mass 4.9× 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the sphere…

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Q: When the sum of the forces acting on an object is zero, its force acts on the object, it However,…

A: we know that . force is a vector quantity . and we have need resultant force on a object to define…

Q: A sphere of mass 4.8 × 104 kg is suspended from a cord. A steady horizontal breeze pushes the sphere…

A: Given Data Mass of the sphere m=4.8×10-4 kg Angle of the sphere with the vertical is θ=17°   Diagram…

Q: A hockey puck is set in motion across a frozen pond. If ice friction and air resistance are…

A: Answer We have the equation F = mg Where m is the mass and g is the acceleration due to gravity.…

Q: A horizontal shove of at least 200.0 N is required to start moving a 800.0-N crate initially at rest…

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Q: A ball of weight 20 N is thrown upward at 20 m/s. At the highest point, a. Its acceleration is zero…

A: Given Weight of ball is W=20 N Initial speed is v_0=20 m/s At the height point, the velocity of the…

Q: A constant net force acts on an object. Which of the following best describes the object's motion?…

A: Required :  Which of the following best describes the object's motion?

Q: A 7.5 kg block hangs by a string from the ceiling of an elevator. The elevator is moving down with a…

A: Introduction: Here, the constant velocity of the elevator downward so the acceleration of the…

Q: An object of mass 30 kg is in free fall in a vacuum where there is no air resistance. Determine the…

A: Given mass m = 30 kg this object is in free fall in vacuum and we have to find out it’s…

Q: A hockey puck is set in motion across a frozen pond. If ice friction and air resistance are…

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Q: object is an object that moves under the influence of gravity only. a. Moving b. Projectice c. At…

A: The force exerted by earth is called force of gravity

Q: A 8.3 kg block hangs by a string from the ceiling of an elevator. The elevator is moving down with a…

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Q: A block of mass 22 kg moves up a 32 degree inclined plane by being pulled by a string attached to a…

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Q: A sphere of mass 3.0 × 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the…

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Q: A decoration, of mass M, is suspended by a string from the ceiling inside an elevator. The elevator…

A: Given information Mass of the decoration =  M  which is suspended by a string from the ceiling…

Q: a block S (the sliding block) with mass M = 3.3 kg. The block is free to move along a horizontal…

A: Given Mass of the sliding block M = 3.3 kg Mass of the hanging block m = 2.1 kg

Q: A rope of negligible mass passes through a pulley of negligible mass and friction hanging from the…

A: a=m1-m2m1+m2g

Q: An object of mass 0.85 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

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Q: A mass M slides on a horizontal surface. A mass m is attached to a string routed over a pulley as…

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Q: A 60 kg skier is in a tuck moving straight down a 30° slope. Air resistance pushes backwards on the…

A: Given,

Q: The Normal Force acting on an object ....  always equals the weight of the object.  is always equal…

A: Normal force is the force exerted on the object by the surface on which the object is laying upon.…

Q: A sphere of mass 4.2 × 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the…

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Q: Which law has this statement? “An object either remains at rest or continues to move at a constant…

A: A physical quantity related to the property of an object to resist changes in its motion is called…

Q: A person stands on a scale in an elevator. His apparentweight will be the greatest when the…

A: There is a small difference in the term apparent weight and the actual weight of the body. The…

Q: A person brings a box onto an elevator. She places the box on the elevator floor. As the elevator…

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Q: Two blocks of mass 3.5kg and 8.00 kg are connected by a massless rope that passes over a…

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Q: A 4 kg ball is moving across a frictionless surface wit a constant velocity of 2 m/s. Determine the…

A: A 4 kg ball is moving across a frictionless surface with a constant velocity of 2 m/s

Q: A hockey puck is struck and is given an initial speed of 20 m s-1 on a frozen lake. The puck remains…

A: Above problem is based on the theory of friction.

Q: You are trying to move a large cabinet across the floor. you push the cabinet but it does not move.…

A: The frictional force is the force that is acting between two surfaces , that is for example,…

Q: A 13-N weight and a 12-N weight are connected by a massless string over a massless, frictionless…

A: 1- Given that a 13-N weight and a 12-N weight are connected by a massless string over a massless,…

Q: Static equilibrium means what about the movement Group of answer choices The net force can be…

A: static equilibrium : if the object is at rest (stationary) then the object is said to be in static…

Q: An object is moving in the absence of a net force. Which of the following best describes the…

A: Here given that the object is speeding up in the absence of the net force. We have to define the…

Q: A block is on a frictionless table, on earth. The block accelerates at 2.6 m/s 2 when a 70 N…

A: Force acting on the block is F = 70 N Acceleration of the block is a = 2.56 m/s2 Acceleration due to…

Q: An object of mas 5 kg is sliding with a constant velocity of 10 m/s on a frictionless horizontal…

A: There is no frictional force so there is no resistance in motion of the object.

Q: A sphere of mass 3.3 x 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the…

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Q: A person is falling from a certain height. Which of the following is likely to happen?   if he…

A: If he falls on concrete floor then there's sudden change in his momentum resulting in higher…

Q: in the fletcher cart apparatus problem, a 8.0 kg object resting on a horizontal table is connected…

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Q: Which of the following does NOT demonstrate Newton's first law of motion?   A bicycle moving in a…

A: As per the Newton's first law of motion 'An object continues to be in a state of rest or uniform…

Q: The velocity of a body of mass 20 kg increases from 5 m/s to 20 m/s in a distance of 100 m. The…

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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!