(a)Which of the free body diagrams below displays all the forces acting on the man with the correct relative magnitudes and directions? (b)Determine the acceleration of the elevator in m/s2.

Q: A sled with mass of 10.3 kg is sitting at the top of a hill, which is inclined at an angle of 29…

A: Here a sled is at the top the hill. The hill is inclined with 29° to horizontal. Again the kinetic…

Q: If the elevator's acceleration had a magnitude of g in the upward direction, what would the normal…

A: mass= m = 4.25kg upward acceleration = a = g Normal force = ?

Q: Two forces act on a 5.0 kg object. The net acceleration of the object is 2.5 m/s? in the +x…

A: Mass of object m= 5.0 kgkg. Acceleration of the object a = 2.5 m/s² F1 = 60N F1 makes an angle = 30°…

Q: A force of 76.4 N in the horizontal direction is required to set a 37.3-kg box, initially at rest on…

A: The coefficient of kinetic friction between the box and the surface.given,Applied force(F)=63.2…

Q: The two forces shown in the diagram act on a 18.5 kg object, which is on a frictionless tabletop.…

A: Given:-  The magnitude of the force is F1=13.5 N and F2= 19.0 N  The mass of the object is m = 18.5…

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

A:

Q: A student attaches a rope to a 44 kg box, and drags it to the left with constant velocity of 1.69…

A:

Q: You are standing in an elevator in a tall building. Your mass is 65 kg. The elevator starts at t = 0…

A: Given Position y(t) = (0.75 m/s2)t2+(0.10 m/s3)t3 Time t = 4.0 s mass m = 65 kg

Q: Question 3. A block of mass m rests on a frictionless incline. Normally, the block would slide down,…

A:

Q: Draw a free-body diagram of the problem.  What is the reading of

A:

Q: The figure below shows two blocks connected to each other by a light cord that passes over a pulley…

A: Given: m1=4.4 kgm2=12 kg The surface is frictionless. The free-body diagram is given below.

Q: You, of mass m, are in an elevator that is accelerating upwards at acceleration a. What is the…

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Q: A 68-kg man stands on a bathroom scale inside an elevator. The scale measures in units of newtons.…

A: The expression for the reading on the bathroom scale as the elevator moves upwards is given below.…

Q: A crate of mass  m = 29 kg  rides on the bed of a truck attached by a cord to the back of the cab…

A:

Q: Nick decided to visit the CN Tower with his friend. He gets into a stationary elevator on the ground…

A: Given      Combined mass (M) = 2568kg(a)      FBD                        value of Mg=…

Q: A 6.00 kg box is pulled horizontally with a 40.0 N force that makes an angle of 50.0° with the…

A:

Q: When floating in outer space, one would need to change their motion in order to get back to the…

A: In this problem, we are dealing with Newton's second law of motion, which states that the…

Q: (14 pt) The figure shows the velocity graph of a 60. kg passenger in an elevator. (a) Assuming a…

A:

Q: An object of mass m1 = 2.70 kg placed on a frictionless, horizontal table is connected to a string…

A: Given data:  m1 = 2.70 kg m2 = 6.30 kg Required: The free body diagram, the magnitude of the…

Q: Answer parts a, b and c of the following question: (a) A box of mass 72 kg is at rest on a…

A: According to Newton's second law of motion, the acceleration of an object is only due to the net…

Q: A 11.63 kg object is being pushed in a straight line along the floor. The graph below shows its…

A: Acceleration is given as rate of change of velocity with time.

Q: In the following figure, the horizontal surface on which this block slides is frictionless. If the…

A:

Q: A 72 kg person is parachuting and experiencing a downward acceleration of 2.2 m/s2. The mass of the…

A: Given: Mass of the person=M=72 kg The mass of the parachute=m=4.8 kg The free-body diagram for the…

Q: time t = 0 a 2250 kg rocket in outer space fires an engine that exerts an increasing rce on it in…

A: Given: Equation of force Fx=At2 At time t=1.45 s force is 781.25 N Mass of rocket is m=2250 kg Note:…

Q: A 5.0 kg dog sits on the floor of an elevator that is accelerating downward at 6.00 m/s2. What is…

A: Given data:  Mass (m) = 5 kg Acceleration (a) = 6.00 m/s2, downward Required: The magnitude of the…

Q: The figure shows a man sitting in a bosun's chair that dangles from a massless rope, which runs over…

A:

Q: A contestant in a winter games event pushes a 56.0 kg block of ice across a frozen lake as shown in…

A: To find (a) minimum force(b) acceleration

Q: Problem 1. A student at an airport is towing her 20.0 kg suitcase at a constant acceleration by…

A:

Q: The picture shows a person dragging an anchor along the ground. If the person is accelerating the…

A:

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

A: Constant velocity = v = 7.8 m/s Force due to motor = Fm = 2.21 ✕ 103 N (forward direction) Force of…

Q: Body A in the figure weighs 96 N, and body B weighs 16 N. The coefficients of friction between A and…

A: Given:  ωA=96N,  ωB=16N    μS=0.59, μk=0.25,  θ=28°

Q: Choose the correct SI units of constant A. O s²/N ON/s O N/s² O S/N

A:

Q: The rocket sled shown in the figure accelerates to the right at a rate of 68.6 m/s². Its passenger…

A: Given data- The rocket sled shown in the figure accelerates to the right at a rate of a=68.6 m/s2 .…

Q: A contestant in a winter games event pushes a 55.0 kg block of ice across a frozen lake as shown in…

A:

Q: Alex is asked to move two boxes of books in contact with each other and resting on a frictionless…

A: a)as per newton's second law of motionFnet=maFp=mA+mBaa=FpmA+mB =9.3 12.1+7 =0.487 m/s2

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: