ECAT Physics Chapter 2 Vectors and Equilibrium

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  • Chapter NameCh 2 - Vector and Equilibrium

ECAT Physics Chapter 2 Vectors and Equilibrium

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ECAT Physics Chapter 2 Vectors and Equilibrium

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Question # 1

The magnitude of resultant of three vectors is 3. Its x-component is one, y-component is two, then its z-component is:

Question # 2

Cosine of an angle is positive in:

Question # 3

A force of 5 n is acting Y-axis. Its component along X-axis is:

Question # 4

The resultant of two velocities 3 m/sec and 400 cm/sec making an angle 90° with each other is:

Question # 5

Parallel vectors of same magnitudes:

Question # 6

For measuring the angle between two vectors graphically, we join:

Question # 7

A vector of magnitude 5 N is added to a vector of magnitude 8 N while the orientations are changeable. Range of their possible sum will be very from:

Question # 8

Two forces of 10 N and 8 N are applied simultaneously to a body. the maximum value of their resultant is:

Question # 9

By convention, torques producing clockwise rotation are taken as:

Question # 10

The sum of two or more vectors is equal to a single vector which is called:

Question # 11

Two forces of 10N and 8N are applied simultaneously to a body. The maximum value of their resultant is:

Question # 12

If the vector 5 N lies along with x-axis, then its component along y-axis will be:

Question # 13

Torque is also called:

Question # 14

Unit vector is used to specify:

Question # 15

Two forces each of 10 N act on a body, if the force are inclined at 30° and 60° respectively with x-axis, then x-component of their resultant is:

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