ball of mass m1 and a block of mass m2 are attached by a lightweight cord that passes over a frictionless pulley of negligible mass, as shown in the figure. The block lies on a frictionless incline of angle theta. If theta becomes zero, what will happen? CHOICES:

Q: 2. An elevator is moving downward and slowing down at 4 m/s/s. Inside the elevator, a yellow box…

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Q: 6. Consider the two blocks connected via pulley shown in the figure. Block A weighs 100.0 N and…

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Q: A person stands on a scale inside an elevator at rest. The scale reads 700 N. a) What is the persons…

A: The figure is shown below:

Q: 1. Consider the following block on an incline (M= 80kg), connected by a rope to hanging block (m =…

A: Block of Mass M=80kg

Q: 8. Three blocks are in contact with one another on a frictionless, horizontal surface as shown in…

A: Given: F=25 Nm1=2.5 kgm2=3.5 kgm3=4.5 kg

Q: 2. Draw a free-body diagram of a 1130-kg car that is held in place by a light cable on a very smooth…

A: In the following problem, we have: Mass of the car, m=1130 kg Angle of the ramp with the horizontal…

Q: a) Find the acceleration of the blocks. b) Find the tension in each string.

A:

Q: 3. A block of mass m= 7.0 kg is pushed down a 0 = 35° incline as in the figure with a %3D and…

A: m = 7.0kg F = 9.0N Coefficient of kinetic friction, μ=0.15 θ = 35o

Q: a. Write an expression to describe the scalar component of your pushing force in the x-direction as…

A: Given, force is the act in the right direction that is on the x-axis. Where, Ft=0=FoFt=10=0 And…

Q: 6. Two objects are connected by a light string that passes over a frictionless pulley as shown in…

A: masses are m1=2.0kgm2=6.0kgcoefficient of friction is 0.25.angle =55o

Q: 1. A box 35Kg sits at rest on a ramp with angle 29deg with horizontal direction, the friction force…

A:

Q: 7. Assume the three blocks portrayed in the figure below move on a frictionless surface and a 42-N…

A: (a) Acceleration of the system is, a=Fm1+m2+m3=42 N1.0 kg+2.0 kg+3.0 kg=7.0 m/s2…

Q: 1. Two blocks are connected to each other by a cord that passes over a lightweight frictionless…

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Q: 1. For a short period of time, the frictional driving force acting on the wheels of the 2200-kg van…

A: We are given with force and mass of the van? From this we can find acceleration of the van. Using…

Q: Three blocks are being pulled to the right by a 100 N force. Find the tensions in each ing…

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Q: Two connected blocks are pulled across a horizontal, frictionless surface, as shown in Figure 2. If…

A: Given data: Acceleration (a) = 4 m/s2 m1 = 2 kg and m2 = 3 kg Required: The tensions in both strings

Q: A rope is run through a frictionless pulley and then attached to a 16 kg block as shown. The other…

A: the mass of the block m=16kgthe angle at which the rope is pulledangle =45 degreeHere T is the…

Q: A block of mass m is pushed against a spring with spring constant k at the 3. bottom of a long ramp…

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Q: 4. A horse is pulling a sled along a road.  The rope from the horse goes up 15.0 degrees from the…

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Q: Two blocks with masses m1 and m2 are connected as shown in the figure with a cord, which can be…

A: Let us consider that masses, m1>m2, and the ramp is frictionless, the diagram with all vectors…

Q: 8. A 40 kg girl and an 8.4 kg sled are on the surface of a frozen lake, 15 m apart. By means of a…

A: Given data as per the question Weight of girl =40 kg weight of sled =8.4 kg Force =5.2 N

Q: 2. A box of mass "m" is released on an incline of angle "θ" and accelerates down the incline. The…

A: A box of mass "m" is released on an incline of angle "θ" and accelerates down the incline. The…

Q: A box of mass m is stacked on the top of a box of mass 3m. The surface of the table on which they…

A:

Q: A 2.5 kg block of wood moving at 3.2 m/s suddenly crosses from a frictionless surface to a surface…

A: Given:-  The mass of the block is m= 2.5 kg  The initial velocity of the wood is u = 3.2 m/s  The…

Q: 8. Two 14-kg blocks are connected with a light rope pand the system is accelerating at 1.8…

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.