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Tec114: Basic Mechanics Question Paper

Tec114: Basic Mechanics

Course:Bachelor Of Electrical And Electronics Engineering

Institution: Moi University question papers

Exam Year:2011

TEC 114: Basic Mechanics

1. A block of mass 800kg rests on a horizontal surface and a horizontal force of 3kN is applied to it. The coefficient of friction between the block and the surface is 0.3. Calculate the acceleration of the block

2. A uniform ladder of 8 m long weighs 220N and rests on a rough ground and is proped against a vertical rough wall at an angle to the horizontal. If u=0.4 for the ground and the wall surfaces, find the value of the angle with the horizontal when slip is about to take place

3. A projectile is fired horizontally from a height of 25m from the ground and reaches back to the ground at a horizontal distance of 100m. Find the initial velocity of launching.

4. Find the velocity and direction of projection of a shot which passes in a horizontal direction just over the top of a wall which is 100m away and 25m high.

5. Two balls are projected from the same point in the directions inclined at 60 degrees and 30 degrees to the horizontal.

a. If they attain the same height what is their ratios of velocities of projection

b. If they have the same horizontal range, what is the ratios of their velocities of projection?

6. A cricket ball thrown from a height of 6ft at an angle of 30 degrees with the horizontal and at a speed of 60ft/s is caught by another fieldman at a height of 2ft from the ground. How far apart are the two men?

Tec114: Basic Mechanics Question Paper

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