# A force is completely defined when we specify

1.  magnitude

2.  direction

3.  point of application

4.  all of the above

4

all of the above

Explanation :
No Explanation available for this question

# If two equal forces of magnitude P act at an angle 9°, their resultant will be

1.  P/2 cos 9/2

2.  1P sin 9/2

3.  2P tan 9/2

4.  1P cos 9/2

4

1P cos 9/2

Explanation :
No Explanation available for this question

# The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of

1.  forces

2.  independence of forces

3.  dependence of forces

4.  resolution of forces

4

resolution of forces

Explanation :
No Explanation available for this question

# The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to

1.  the algebraic sum of the resolved parts of the forces in the given direction

2.  the sum of the resolved parts of the forces in the given direction

3.  the difference of the forces multiplied by the cosine of 9

4.  the sum of the forces multiplied by the sine of 9

4

the algebraic sum of the resolved parts of the forces in the given direction

Explanation :
No Explanation available for this question

# Which of the following do not have identical dimensions

1.  Momentum and impulse

2.  Torque and energy

3.  Torque and work

4.  Moment of a force and angular momentum

4

Moment of a force and angular momentum

Explanation :
No Explanation available for this question

# Which of the following is not the unit of distance

1.  angstrom

2.  light year

3.  micron

4.  milestone

4

milestone

Explanation :
No Explanation available for this question

# Which of the following is not the unit of power

1.  kW (kilowatt)

2.  hp (horse power)

3.  kcal/sec

4.  kcal/kg sec

4

kcal/kg sec

Explanation :
No Explanation available for this question

# Which of the following is not the unit of work, energy and heat

1.  kcal

2.  kg m

3.  kWhr

4.  hp

4

hp

Explanation :
No Explanation available for this question

# Which of the following is not the unit of pressure

1.  kg/cm

2.  ata

3.  atmosphere

4.  newton

4

newton

Explanation :
No Explanation available for this question

# The weight of a body is due to

1.  centripetal force of earth

2.  gravitational pull exerted by the earth

3.  forces experienced by body in atmosphere

4.  gravitational force of attraction towards the center of the earth

4