You are standing in a moving bus, facing forward, and you suddenly fall forward as the bus comes to an immediate stop. What force caused you to fall forward?     gravity     normal force due to your contact with the floor of the bus     force due to friction between you and the floor of the bus     There is no force leading to your fall

Q: A 7.8 kg object experiences an acceleration of 1.3 m/s2. (a) What is the magnitude of the…

A: (a) Apply Newton’s second law of motion on the object, and solve for the magnitude of the resultant…

Q: A 125 kg wooden crate is loaded from the back of a wooden dump truck bed. a) How fast can the truck…

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Q: A velocity vs time graph for a 64.0 kg skateboarder is shown below. It is located at x = 10.0 m at…

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Q: Three blocks on a frictionless horizontal surface are in contact with each other, as shown. A force…

A: Given: The figure is as follows: The magnitude of force applied is 24 N. Introduction: Newton’s…

Q: Two blocks with masses of m₁ = 1.92 kg and m₂ = 3.88 kg are stacked on top of each other as shown in…

A: m1 = 1.92 kg m2 = 3.88 kg μs = 0.392 FBD

Q: 4. 2 1.0 2.0 3.0 4.0 5.0 6.0 7.0 t (ms) The diagram (graph) Force in kilo Newtons versus time in…

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Q: Which of the following statements are true considering the forces on the system of you and a bicycle…

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Q: a 2kg model helicopter has a velocity of (4 m/s) at t = 0s. It is accelerated at a constant rate for…

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Q: A 13 kg object undergoes an acceleration given by a = (4 î - 3) m/s. The magnitude of the resultant…

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Q: A box of mass 40 kg, initially at rest, is pushed by a horizontal force of 200 N for 6 sec. The…

A: Given Values -  Mass of box (m) = 40 Kg  Horizontal force = 200 N  Friction force = 20 N  Time (t) =…

Q: m1 m2

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Q: Three friends push on a 50 kg rock on very slippery ice. One friend pushes to the North with a force…

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

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Q: A 39.8-kg crate rests on a horizontal floor, and a 67.1-kg person is standing on the crate.…

A: Given data:  Crate rests on horizontal floor and person standing on the crate  Mass of crate (m1) =…

Q: 2. A particle initially at rest is acted upon by four forces: F1 and F2 are vertical while F3 and F4…

A: Four forces are acting on the body. Two forces are acting in vertical direction. Other two are…

Q: 250 g Ftens = μ = 0.10 ΣΕ Psystem a system Ftension (force of tension) asystem (acceleration of the…

A: Given data: The mass m1=50 g The mass m2=250 g   μ=0.10

Q: When a 15-N lamp hanging at rest by a vertical rope from a ceiling, the force exerted by the ceiling…

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Q: The three forces represented in the figures shown act on a model of a space-X rocket while it sits…

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Q: A box is pushed across a smooth (frictionless) table and is sliding away from the person who…

A: As the box is lying on table there will be a normal force from the surface of table.

Q: QUESTION 5 A block of mass m is initially at rest on a horizontal surface. A horizontal force F is…

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Q: A wheeled cart with mass m₂ is connected to a mass m, using a string that passes over a frictionless…

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Q: 4. A derailed train is hanging on the cliff with its cargo train behind it. The cargo train has a…

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Q: 21. A canal barge is being pulled along a canal by two horses, one on either side of the canal. One…

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Q: A heavy metal tray with mass 25.0 kg tray lies on a table. On top of the tray is another stone with…

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Q: A block of mass m lies on a surface that has static and kinetic friction coefficients between the…

A: It is given that,

Q: 3- While a stone with a mass of 3 kg slides to the right at a speed of 5.5 m/s on a horizontal…

A: mass of stone = 3 kg initial speed of stone towards right = 5.5 m/sinitial momentum towards right =…

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 man with a weight of 500 N (when measured on the scale in his bathroom) stands on a scale in the…

A: A bathroom scale always measures the normal force. If the acceleration is zero, then the normal…

Q: A 7.1 kg object experiences an acceleration of 2.1 m/s2. (a) What is the magnitude of the resultant…

A: Given:- A 7.1 kg object = m acceleration = 2.1 ms2 To determine:-  (a) Magnitude of the resultant…

Q: Three identical 4.0-kg cubes sit on a horizontal frictionless surface. They are in contact with one…

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Q: A horizontal force F is applied to a block on a horizontal surface with friction. The magnitude of F…

A: Data provided:  A horizontal force F is applied on the block Magnitude of F gradually increases from…

Q: A 6.00-kg block is in contact with a 4.00-kg block on a rough surface as shown in the figure. Total…

A: Mass of Block 1 (m1)=6kg Mass of block 2 (m2)=4kg Total friction force(f)=10N  force which pushes…

Q: A hockey puck on a frozen pond is given an initial speed of 20 m/s. If the the coefficient of…

A: Given : Initial speed of hockey puck, v = 20 m/s The coefficient of kinetic friction between the ice…

Q: The engine of car A produces an acceleration of 24 m/s^2 in the car. the mass of car A is twice that…

A: mass of the car A=mA=mmass of the car B=mB=m2acceleration of car A =aA=24 ms2let acceleration of car…

Q: At an instant when a soccer ball is in contact with the foot of the player kicking it, the…

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Q: 3) A 76.0-kg person is being pulled away from a burning building as shown in the figure. a. Draw a…

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Q: Which of the following statements is always true? a)?If an object is moving, an unbalanced force…

A: Given Differents statement are given We have to choose the correct option from given options.

Q: A person with a black belt in karate has a fist that has a mass of 0.70 kg. Starting from rest, this…

A: Given, mass of the fist is m=0.7kg the initial velocity of the fist is u=0m/s the final velocity of…

Q: F (kN) LANDING Consider the force versus time recording shown in Fig. 11.9 for an athlete making…

A: GivenConsider the force versus time recording shown in Fig. 11.9 for an athlete making vertical…

Q: a) A dockworker applies a constant horizontal force of 60.ON to a block of ice on a smooth…

A: Given data:  Initial velocity (Vi) = 0 Distance traveled (s) = 12.0 m Time (t) = 5.00 s Required:…

Q: 2) In space, away from gravitational influences, a small 750 kg rocket's main engine produces a…

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Q: If an object is known to be static or at rest: the resultant force acting on the object is unknown.…

A: Using Newton’s second law: Fnet = ma………..(1) Here, Fnet is net force m is mass of object a is…

Q: 2 SA bullet with a mass of 0.3 kg is thrown upwards in the vertical direction with an initial…

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Q: A 5.0 kg block remains stationary on an inclined surface. What is the friction force acting on 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!