Question # 1

Torque is a ___________ quantity.

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Vector

Scalar

Base

All of these

The value of sin θ at an angle of 60o is

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0.5

0

0.707

0.866

Things with _____________ area are more stable>

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Larger

Smaller

All

None of these

Perpendicular / hypotenuse is equal to:

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Cosθ

Tanθ

Cosecθ

Sinθ

The centre of gravity of uniform triangle is:

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Point of intersection of medians

On its vertex

On middle point of its axis

Point of intersection of diagonal

A couple consists of how many forces:

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1

2

3

4

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

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30 Nm

15Nm

20 Nm

10 Nm

Sin 45 is equal to:

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Zero

0.5

0.707

1

The turning effect of force is called:

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Torque

Parallel force

Equilibrium

Couple

Racing cars are made stable by :

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Increasing their speed

Decrease their mass

Lowering their center of gravity

Decreasing their width

Tan 90°=

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Infinity

1

0

0.866

Forces on doubled arm spanner are called.

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Torque

Couple

Moment of force

Momentum arm

The resultant vector of given vectors A and B is

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