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BASIC CONCEPTS OF ENGINEERING MECHANICS

Total questions: 6

Worksheet time: 3mins

Name
Class
Date
1.

State Newton’s Law of motion

a)

first law,second and third law

b)

first law of motion, second law of motion, third law of motion

c)

newton first law, newton second law

d)

newton second law, newton third law

2.

List FOUR (4) basic measurement quantities

a)

temperature, mass, length, humidity

b)

length, time, weight, temperature

c)

length, time, mass, force

d)

humidity, length, mass, force

3.

State the Newton’s Second Law of motions

a)

The acceleration a of a body is parallel and not directly proportional to the net force F acting on the body, is in the direction of the net force, and is inversely proportional to the mass m of the body

b)

The acceleration a of a body is not parallel and not directly proportional to the net force F acting on the body, is inversely proportional to the mass m of the body

c)

The acceleration a of a body is parallel and directly proportional to the net force F acting on the body, not inversely proportional to the mass m of the body

d)

The acceleration a of a body is parallel and directly proportional to the net force F acting on the body, is in the direction of the net force, and is inversely proportional to the mass m of the body

4.

Define the terms of force

a)

a combination of a large number of particles

b)

a “push” or “pull” exerted by one body on another

c)

The acceleration a of a body is parallel and directly proportional to the net force F acting on the body.

d)

A particle originally at rest, or moving in a straight line with constant velocity, will remain in this state provided that the particle is not subjected to an unbalanced force.

5.

Explain the concepts of mechanics

a)

The physical science concerned with the behavior of bodies that are acted upon by forces

b)

The study which deals with the condition of bodies in equilibrium subjected to external forces.

c)

A branch of mechanics in which the forces and their effects on the bodies in motion are studied

6.

State the formula of Newtons Second Law of Motion

a)

F2= maF^2=\ ma

b)

F=m2aF=m^2a

c)

F=ma2F=ma^2

d)

F=maF=ma