Grade 12Mechanics

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kavishka

6 Years agoGrade 12

1 Answer

Vikas TU

6 Years ago

Dear student

I have already given ans for this question .

Please do not ask same question.

Here is the soluton for you

Draw the free boy diagram first.
2Nw = 2mg +Mg
Nw = mg + Mg /2
Fx = f
Nc Cos45 =μNw
MgCos45*Cos45 = μ(mg+Mg/2)
M/2 = μm + μM/2
M = 2μm + 2μM
M = 2μm/1-μ
hope this helps

Three identical balls are placed on a frictionless horizontal surface touching each other. They stick to each other because of adhesive. Another ball of same radius and mass m is placed over the void created by the three balls. Find the forces applied by the balls kept on the floor to each other if the system remains in equilibrium.

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Last Activity: 10 Months ago

A car loaded with water having total mass 1000 kg moves on a straight horizontal Road starting from rest under the action of a force of 100 Newton. The water spills throw a small hole in the bottom at a rate of 0.1 KG per second the velocity of cart after 300 seconds is nearly.

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mechanics

1 Answer Available

Last Activity: 10 Months ago

A metal strip clamped at one end vibrates with a frequency of 20 Hz and amplitude of 5 mm
at the free end, where a small mass of 2 g is positioned. determine
(i) The velocity of the end when passing through the zero position
(ii) The acceleration at maximum displacement
(iii) The maximum kinetic energy of the mass

mechanics

2 Answers Available

Last Activity: 3 Years ago

An object of mass m = 0.25 kg oscillates in a fluid at the end of a vertical spring of spring
constant kH = 85 N/m, see Fig.1. The effect of the fluid resistance is governed by the
damping constant b = 0.07kg/s.
(i) Find the period of the damped oscillation.
(ii) By what percentage does the amplitude of the oscillation decrease in each cycle?

mechanics

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Last Activity: 3 Years ago

If a=x² find the displacement at t =3sec if body velocity at t= 0 sec is 0

mechanics

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Last Activity: 3 Years ago

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kavishka

1 Answer

Vikas TU

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