Three 4 cm thick and 10 cm wide boards are connected together by two parallel rows of uniformly distributed nails separated by longitude distance δto form a beam that is subject to constant vertical shear of 1000 n. knowing the maximum allowed shearing force for each nail is 200 n, determine the largest longitude separation δbetween nails?

The largest longitude separation is 3.6 cm.

Explanation:

Given that,

Thickness

Wide = 10 cm

Vertical shear = 1000 N

Shearing force = 200 N

We need to calculate the shear flow

Using formula of shear flow

Where, q = shear flow

V = shear force

Where, A = area of cross section

=distance from natural axis to centroid of A

I = moment of inertia

We need to calculate the Area

Using formula of area

We need to calculate the moment of inertia

Put the value into the formula of shear flow

We need to calculate the largest longitude separation

Using formula of separation

Put the value into the formula

Hence, The largest longitude separation is 3.6 cm.

car stops. he keeps going = he has inertia

the focus of lesson 1 is newton's first law of motion - sometimes referred to as the law of inertia. newton's first law of motion is often stated as. an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

explanation: