QUIZ ON CONNECTED BODIES AND MACHINES.

A body of mass 10kg on a smooth inclined plane is connected to a smooth pulley to a mass of 15kg as shown above, the acceleration of the system is

A. 1/4g

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B. 8/25g

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C. 1/2g

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D. 2/5g

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E. 3/4g

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A frictionless pulley kept on a horizontal table connects two blocks of masses 4 kg and 5 kg. What is the acceleration of the freely hanging 5 kg mass?

5.44 m/s2

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2.72 m/s2

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19.5 m/s2

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20.23 m/s2

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The fig above shows two connected bodies of masses M1 and M2 in equilibrium under gravity. The tension in the upper string is

A) (m1-m2)g

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B) m1g

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C) m2g

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D) (m1+m2)g

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A force of 100 ? is applied on a 6 kg block that is connected to a 2 kg block with a uniform rope of mass 2 kg. Find the acceleration of the system. (Assume the surface to be smooth)

10 m/s^2

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12m/^2

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14m/s^2

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16m/s^2

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A body weighing 80N stands in an elevator that is about to move. The force exerted by floor on the body as the elevator moves upward with an acceleration of 5 ms-2 is
[g = 10ms-2]

A. 40 N

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B. 80 N

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C. 120 N

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D. 160

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An elevator of mass 4800kg is supported by a cable which can safely withstand a maximum tension of 60 000N. The maximum upward acceleration the elevator can have is

A. 2.5ms-2

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B. 5.0ms-2

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C. 7.5ms-2

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D. 10.0ms-2

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Determine the velocity ratio of the pulley system

5

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4

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3

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2

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1

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What is the velocity ratio of the system

5

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4

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3

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2

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1

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The velocity ratio of the system is ?

5

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4

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2

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3

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1

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The velocity ratio is ?

2

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4

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6

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8

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QUIZ ON CONNECTED BODIES AND MACHINES.

QUIZ ON CONNECTED BODIES AND MACHINES.

Michael Uzoma February 6, 2025

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