M A block is rotating vertically around a fixed point, tied by a massless rope to a fixed point, as shown in the figure above. Which of the following is the correct free-body diagram of the block when it is at the bottom of the rotation (i.e. the rope is vertical)?

Q: A child places a picnic basket on the outer rim of a merrygo- round that has a radius of 4.6 m and…

A:

Q: n the diagram, the gravitational force acting on the block is decomposed into Fparallel  and…

A: Consider the mass of the block be m. The given diagram of the block is,

Q: (a) Find the angular speed w at which it is spinning. (b) Find the centripetal acceleration, ac with…

A: (a) The relation between angular velocity and frequency is:

Q: R The figure above is taken from one of the Webassign HW problems which shows a person held up…

A:

Q: a) A student hangs three masses from a force table. If the first mass of 178 g is at an angle of…

A:

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: (a) Illustrate the free-body diagrams of both the cart and the bucket. (b) If the system has…

A:

Q: n this week's lab, we will pendulum, consisting of a small pendukum bob with mass of 100.0 g…

A: Given values:- Mass of the bob,(m)=100 gm=0.1 kg ----(1) String length,(r)=1.5 m ----(2) Radial…

Q: a. Consider a man running through the equator, with what velocity (direction and magnitude) should…

A:

Q: g) Finally consider the pulley arrangement shown in the figure. How does the force F compare with…

A: In the given question We have to determine the value of given parts

Q: (c) We know that gravity, constant in magnitude g along the surface of the Earth and headed towards…

A:

Q: b) One of the blue vectors represents the force from the Earth on the Moon, while the other force…

A: Newton's third law states that , when an object A exerts a force on object B , then object B will…

Q: (a) Determine the acceleration of the system below. (b) llustrate the free body diagram of the…

A:

Q: A pig is hanging from a string and moving in a horizontal (conical) circle. A. Describe which forces…

A:

Q: (a) As you ride on a Ferris wheel, yourapparent weight is different at the top than at the…

A: a) Free body diagram of Ferris wheel at the top and bottom: Let us consider mass of person is m.…

Q: (a) Objects with masses m, = 12.0 kg and m2 9.0 kg are connected by a light string that passes over…

A:

Q: n elevator is lifted by its cables at cons eed. What can you infer about the total ne on the…

A: Work is the product of the component of the force in the direction of the displacement and the…

Q: Assume that there are no frictional forces between the pulleys and the strings, and the strings are…

A: a)   free-body diagrams for each mass :

Q: In 1980, over San Francisco Bay, a large yo-yo was released from a crane. Suppose the yo-yo was 105…

A: The mass of the yo-yo (m)Uniform disk of radius (R)An axle radius (R0)

Q: (e) If the angle of the incline 0, were to decrease, the value of friction force…

A: Solution:- If the angle of the inclined θ, were to decrease, then the value of the friction would…

Q: M What is the moment of inertia of the pulley? The blocks are initially held at rest, then released.…

A: The free body diagram of the system is  :                                                     Due…

Q: (c) On the grid provided below, sketch a graph to show the expected variation of centripetal force,…

A: The centripetal force is experienced by a body when it banks a curve. The direction of this force…

Q: A body of masss 3 kg moves in a counterclockwise circular path of radius 9 meters, making one…

A: It is given that, m=3 kgr=9 mt=8 s

Q: Part (c) Write an expression for the magnitude of the normal force, FN, acting on the block, in…

A: Given  Mass of block m=25 kg  force F1=8.5 N  F2=23.75 N  θ=150

Q: a) Consider a particle moving at a constant speed in a straight line with no forces acting on it.…

A:

Q: Picture the situation where a ball is attached to the end of a string. By whirling the ball with the…

A: (a) FBD diagram: The net vertical force on the ball is, ∑Fy=0Tcosθ-mg=0

Q: (a) Replace the force system shown by an equivalent force-couple system with the force acting at…

A:

Q: D В A car rounds a very steep, banked curve moving at low speed. A front-end view of the car is…

A: Net centripetal force acting on the car is radially inward.

Q: e A spaceship of mass m travels from the Earthto the Moon along a line that passes through the…

A:

Q: b) An aircraft, of mass 2000 kg, is following a circular path in the vertical plane as shown in…

A:

Q: a The diagrams show a box of mass t under different systems of forces. RN RN 1ON ISN m In the first…

A:

Q: a. Consider a man running through the equator, with what velocity (direction and magnitude) should…

A:

Q: A 60 kg student rides on a roller coaster that makes a vertical loop. a. Draw a free-body diagram…

A:

Q: A rocket takes off from Earth's surface, accelerating straight up at 75.2 m/s?. Calculate the normal…

A: The forces acting on the astronaut are the weight force acting downwards , which is , W=mg and the…

Q: b. In Case A, a ball is released from rest at the top of a frictionless hill of height h. In Case B,…

A:

Q: B. What is the magnitude and A boy sits on a tire swing that is attached to a rope. The rope passes…

A: The boy sits on the tire, which is attached to the rope and the rope  passes over a pulley…

Q: b) Find the time at which the mass passes through the equilibrium position heading upward.

A: For the spring mass system, when the mass is given an initial displacement, it starts vibrating…

Q: c. Four forces in a plane, act at a point O, the values and directions of the forces are being as…

A:

Q: a. Draw a diagram showing the momentum arm and the force b. What is the value of the momentum arm?…

A:

Q: n the figure to the right, the hanging mass m) is 2.50kg. What would be the required mass on the…

A: here will use the equation of motion     for block m     mg - T =  ma      for block M         T =…

Q: Part (c) Write an expression for the magnitude of the normal force, FN, acting on the block, in…

A:

Q: A 60 kg student rides on a roller coaster that makes a vertical loop. a). Draw a free-body diagram…

A: Given m = 60kg  R = 30m V = 20m/s