Two masses are being pulled up a 30.0 degree incline by a force F parallel to the incline. The acceleration down the incline is 1.00 m/s2 and the velocity is down the incline. The force is applied to a 200 kg mass and a string connects the 200 kg mass to a 150 kg mass. The coefficient of kinetic friction is 0.200. The force F is what?

Q: Your forehead can withstand a force of about 6.0 kN before fracturing, while your cheekbone can only…

A:

Q: A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.9 m/s2. (a) If…

A:

Q: Three objects are connected on a table as shown in Figure P5.31. The coefficient ofkinetic friction…

A:

Q: A 75.1-kg skydiver reaches a terminal speed of 46.5 m/s with her parachute undeployed. Suppose the…

A: Given : m = 75.1 kg v = 46.5 m/s Fdrag = kv2 g = 9.8 m/s2

Q: The diagram shows a 4kg object accelerating at 10m/s2 on a rough horizontal surface from rest. a)…

A: Given data:  Mass (m) = 4 kg Acceleration (a) = 10 m/s2 Applied force (F) = 50 N

Q: Three forces acting on an object are given by  F1 = (−1.6î + 6.55ĵ) N, F2 = (4.75î − 1.2ĵ) N, and…

A: Given : F1 = (−1.6î + 6.55ĵ) N F2 = (4.75î − 1.2ĵ) N F3 = (−44.5î) N Acceleration (a) = 3.90 m/s2

Q: You want to hang an object from the ceiling of an elevator that has a maximum acceleration of 4.0…

A: Given: a=4 m/s2T = 45 Ng = 9.8 m/s2m=?

Q: A locomotive accelerates a 25-car train along a level track. Every car has a mass of 5.0 * 104 kg…

A:

Q: Three forces given by F, = (6î + 2)N,F2 = ( î – 3j)N, and F3 = (3 f)N, act on an object to give it…

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Q: A 60 kg person stands on a scale in an elevator. How many Newtons does the scale read: a)…

A: (a) When the elevator is ascending, F=mg+ma substituting the givens, F=60 kg9.8 m·s-1+60 kg1 m·s-1…

Q: A student’s backpack, full of textbooks, is hung from a spring scale attached to the ceiling of an…

A: (a) (b)

Q: Three forces acting on an object are given by F, = (-1.9î + 7.45j) N, F, = (4.70î – 1.5j) N, and F,…

A: (a) Write the resultant of the forces that are given,…

Q: A boat moves through the water at a constant velocity of 7.8 m/s with two forces acting on it. One…

A: Forward push by motor = 2.21×103 N Constant velocity = v = 7.8 m/s Part A. Since boat is moving with…

Q: A boat moves through the water with 2 forces acting on it. 1 is 2.1 x 10 to the third N pushed…

A: According to Newton's 2nd law of motion, force F acting on mass m moving with acceleration a is…

Q: A jet aircraft with a mass of 4,650 kg has an engine that exerts a force (thrust) equal to 60,800 N.…

A: According to Newtons second law the force on an object is equal to the product of its mass and…

Q: A 32 kg sled is being pulled along a horizontal icy surface by a rope. The constant tension in the…

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Q: A block with a mass of 3.00 kg starts from rest at the top of a 26.0° incline and slides 2.00 m down…

A:

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 force F applied to an object of mass m, produces an acceleration of 4.00 m/s. The same force…

A: GivenFor Mass, m1 , Acceleration, a1=4.00 m/s2AndFor Mass, m2 , Acceleration, a2=1.70 m/s2

Q: 2 (6.51). A 2.0 kg block is launched up a ramp that is inclined at a 30 angle. The block's initial…

A: SOlution: as given that m = 2 kg angle = 30 degree v = 10 m/s coef of kinetic friction = 0.2

Q: A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.8 m/s?. (a) If…

A:

Q: A jet aircraft with a mass of 4,550 kg has an engine that exerts a force (thrust) equal to 59,200 N.…

A: Given: The mass of a jet aircraft is m = 4550 kg. Force exerted by the engine is F =59200 N.

Q: A crate with a mass of 3.00 kg starts from rest at the top of a 29.5° incline and slides 2.00 m down…

A:

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

A: a) At an upward force of F1=3260N the ship descends at a constant velocity which means that the net…

Q: A 20kg is pulled on by a rope that forms an angle of 30 degrees to the horizontal and and has 150 N…

A: The given question can be solved by using the concept of Newton's laws of motion. Newton's laws of…

Q: A woman at an airport is towing her 23.0-kg suitcase at constant speed by pulling on a strap at an…

A:

Q: a) The acceleration of the masses? b) The tension in the string on the left side? c) The tension in…

A: Acceleration of Atwood machine can be given as, a=(m2-m1)g/m1+m2      Where,m1=12kg…

Q: A jet aircraft with a mass of 4,375 kg has an engine that exerts a force (thrust) equal to 60,400 N.…

A: a) 13.80 m/sec² b) 69 m/sec c) 172.5 m

Q: A lamp hangs vertically from a cord in a descending elevator that decelerates at 2.6 m/s?. (a) If…

A: (a) Decceleration (a)= 2.6 m/s2 Tension of the chord (T)= 60 N  Now,  T = mg + ma m = T/(g+a) m =…

Q: A firefighter with a weight of 713 N slides down a vertical pole with an acceleration of 2.88 m/s2,…

A: Given  weight w=713N and mass m= 713/9.8 = 72. 75 And the acceleration a=2.88m/s2 WWe have to find…

Q: A lamp hangs vertically from a cord in a descending elevator that decelerates at 2.4 m/s2. (a) If…

A: Given          Downward acceleration a=2.4m/s2        Tension in the cord T=89 N

Q: Three forces acting on an object are given by  F1 = (−1.5î + 7.10ĵ) N,  F2 = (5.10î − 1.55ĵ) N, and…

A:

Q: In a physics lab experiment, a 6.00kg box is pushed across a flat table by a horizontal force. a) If…

A: F is the external force  fk is the kinetic frictional force  μk is the coefficient of kinetic…

Q: A block weighing 80N rests on a plane inclined at 20o to the horizontal. The  coefficient of static…

A:

Q: Three forces acting on an object are given by F, = (-1,75î + 5.50j) N, F, = (5.25î – 1.35j) N, and…

A: (a)  The direction of any vector in the x-y plane is calculated as; θ = tan-1 net y-compentnet…

Q: A block with a mass of 3.00 kg starts from rest at the top of a 33.5° incline and slides 2.00 m down…

A:

Q: A 15kg box is being pulled to the right across the floor by a tension force of 25N that is at a…

A: Mass of box (m) = 15 kg Tension force (T) = 25 N θ = 20ofrictional force (f) = 5 N

Q: Three forces acting on an object are given by F1 = (−1.5î + 7.45ĵ) N, F2 = (5.25î − 1.1ĵ) N, and F3…

A: Given: Force F1 = (−1.5î+7.45ĵ) N Force F2 = (5.25î − 1.1ĵ) N Force F3 = (−42î) N Magnitude of…

Q: A 40.5 kg parachutist is moving straight downward with a speed of 3.70 m/s A) If the parachutist…

A:

Q: Three forces acting on an object are given by  F1 = (−1.8î + 6.20ĵ) N,   F2 = (5.10î − 2.2ĵ) N,  and…

A: Given:Three forces acting on an object are given by F1 = (−1.8î + 6.20ĵ) N,F2 = (5.10î − 2.2ĵ) NF3 =…

Q: Three forces acting on an object are given by F, = (-2.1î + 6.85j) N, F2 = (4.50î – 2.15j) N, and F3…

A:

Q: A lamp hangs vertically from a cord in a descending elevator that decelerates at 2.5 m/s2. (a) If…

A: a)The expression for the mass of the lamp,

Q: A jet aircraft with a mass of 4,650 kg has an engine that exerts a force (thrust) equal to 60,700 N.…

A:

Q: A block with a mass of 3.00 kg starts from rest at the top of a 31.5° incline and slides 2.00 m down…

A: Given: Mass of the block (M) = 3.0 kg Inclination of surface to the horizontal = 31.5˚. Initial…

Q: Three forces acting on an object are given by F, = (-1.8i + 6.75) N, F, = (4.90i - 15) N, and F, =…

A: Given: The force acting on object is F1⇀=-1.8i^+6.75j^ N. The force acting on object is…

Q: A crate with mass 32.5 kg initially at rest on a warehouse floor is acted on by a net horizontal…

A: The mass of the crate, m=32.5 kg   The net horizontal force, ΣFx=140 N   The initial horizontal…

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?”