Which of the following statements is incorrect? O Forces are vectors O An object in at rest will have no applied force at all on it. O An object accelerating in a certain direction will have a total force in the same direction. O An object at a constant velocity will have no net force on it.

Q: An object is subject to an external force, gravity, the normal force, and friction. The net force…

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Q: Suppose an object is placed on a ramp at an angle from the horizontal. The direction of the NORMAL…

A: An object is placed at some angle from the horizontal.

Q: Yesterday I went on a sled. I was sliding with a speed of 3.0 m/s across a pond covered with ice. My…

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Q: A man pushes on a brick wall. With what amount of force does the wall push back on the man? a…

A: 1) a man pushes on a brick wall Let the force exerted by the man on the brick wall = F

Q: An object of mass 0.61 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

A: Given data:  Mass (m) = 0.61 kg Initial velocity (u) = 0 m/s Time interval (Δt) = 2.9 ms = 2.9×10-3…

Q: A 1000 kg car and a 2000 kg truck are both driving at the same speed. The both have tires with the…

A: Force acting on a moving body in case of friction is present is given as, F=ma-f=ma-μmg=maa=-μg

Q: A physics student in an elevator, places a 200.0 g mass on an electronic balance. The palance,…

A: lift is travelling upward with decreasing speed  the elevator is travelling downward with increasing…

Q: Two blocks are sliding to the right across a horizontal surface, as the drawing Case B P (b) Case A…

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Q: QUESTION 15 If the velocity of an object is zero at some point, then its acceleration must also be…

A: 15) Consider an example of motion along the vertical direction. When an object is thrown in the…

Q: The Force of friction acting on a block of mass (m) being towed up a ramp tilted at º (measured to…

A: Mass of block is Angle of inclination is The block is towed up a ramp.Find:Expression for…

Q: A cart that can move along a straight track has a mass of 3.00 kg and an initial velocity of 4.00…

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Q: What net external force (in N) is exerted on a 1050-kg artillery shell fired from a battleship if…

A: The given values in the problem are:Mass of the artillery shell (m) = 1050 kgAcceleration of the…

Q: (d) What is the block's kinetic energy at = 2.00 m ? (e) What is the block's kinetic energy when it…

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Q: Consider the cart on a track below. A pulling force is shown acting to the right. Assume that there…

A: The acceleration in the initial case will be, F=maa=Fm=0.5N1kg=0.5 m/s2

Q: Under what circumstances is the effect of air resistance negligible on a falling object? i.e. When…

A: Usually the force due to air resistance on a falling object is given by   F = 12ρACv2   ρ = density…

Q: Why do Astronauts experience the feeling of weightlessness in orbit? At the Shuttle's altitude, the…

A: A person will feel weightless/free fall whenever there is no force to counter the force of gravity.…

Q: What is the Force F in Newtons required to hold the object of 2.3 kg at rest? (Assume the rope and…

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Q: If an object is slowing down in the +x direction: Select one: Has no acceleration O Its acceleration…

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Q: A car moving at 30 m/s crashes into a tree and stops in 0.3 s. Calculate the force the seat belt…

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Q: Physics student Matt has just learned about Newton's 3rd law of motion. He's considering a car…

A: According to Newton's third law, For every action there is equal and opposite reaction, but these…

Q: During the snow storm, you saw a girl standing still holding her sled, which was initially at rest.…

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Q: A 50

A: Given values, Net force(F)=50N  Mass of object=20kg  Initial Velocity(u)=10m/sTime(t)=8sec

Q: A 1370 kg jeep traveling at 19 m/s can be stopped in 24.0 s by gently applying the brakes. a) What…

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Q: Two horizontal forces, P and Q, are acting on a block that is placed on a table. We know that P =…

A: Given: The mass of the object is 5.1 kg. P→=-2.1i^+4.25k^ N The velocity of the object is constant.

Q: A horse pulls a wagon, and the wagon pulls back with the same force (according to Newton's 3rd Law).…

A: Introduction: Newton's third law states that every action have equal and opposite reaction in the…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”