Question # 1

The number of perpendicular components of a force are

Choose an answer

1

2

3

4

The condition of equilibrium are:

Choose an answer

2

3

4

5

The parallel forces which have same direction are called.

Choose an answer

Resutant force

Like parallel force

Unlike force

Null force

The method used for addition of non-parallel forces is.

Choose an answer

Algebraic

Head to trail rule

Mathematical

Nil

If force is 200 N and length of spanner is 0.15 then torque will be:

Choose an answer

30 Nm

15Nm

20 Nm

10 Nm

A couple is formed by

Choose an answer

Two forces perpendicular to each other

Two like parallel forces

Two equal and opposite forces in the same line

Two equal and opposite forces not in the same line

If the applied force is 'F' and its moment arm is 'r' then torque is defined as

Choose an answer

τ = rF

τ = r2F

τ = r + F

τ = 2rF

Sin 45 is equal to:

Choose an answer

Zero

0.5

0.707

1

Perpendicular / Hypotenuse is called :

Choose an answer

Cos 𝜽

Sin 𝜽

Tan 𝜽

Tan^-1 𝜽

To make a body more stable ________ should be lowered:

Choose an answer

Axis of rotation

Center of gravity

Stabilty

None

A body is said to be in __________ equilibrium if after a slight tilt return to its previous position:

Choose an answer

Stable

Unstable

Neutral

None

Anticlockwise torque is taken:

Choose an answer

Negative

Neutral

Positive

Nil

A body is in equilibrium when its

Choose an answer

Acceleration is uniform

Speed is uniform

Speed and acceleration are uniform

Acceleration is zero

More Classes

Other Links

9th Class Physics Chapter 4 Turning Effect of Forces English Medium KPK Boards Online Mcqs MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer