Physics GK 03 - Kinematics

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1).
Which of the following pairs represent two scalar quantities?
2).
Which of the following is true about displacement of an object?
3).
The branch of mechanics which deals with the study of motion of material objects without taking into account the factors which cause motion is called as:
4).
Which of the following represents non-uniform motion?
5).
What is the slope of the velocity-time graph when an object moves with constant negative acceleration, having positive initial velocity?
6).
The motion of an object under free fall is an example of which of the following?
7).
The acceleration at a given instant of time is called as:
8).
What is represented by the slope of a straight line joining two points on a velocity-time graph?
9).
The equation of motion 'v = u +at' can be applied in which of the following cases?
10).
Which of the these physical quantities is a vector quantity?
11).
Which of the following are Polar vectors?
12).
The magnitude of the resultant of two vectors is maximum in which of the following case?
13).
Two vectors are said to be equal if:
14).
Which of the following conditions is true for two vectors to be collinear?
15).
Which of the following conditions is true for an object to be in equilibrium?
16).
A projectile will achieve maximum horizontal range at which angle?
17).
What is the relation between velocity and acceleration at the highest point of projectile path?
18).
What is the work done by centripetal force in case of Uniform Circular Motion?
19).
What is the relation between Time period and Frequency in case of uniform circular motion?
20).
What is the angular acceleration of a body moving with constant angular velocity?
21).
Which of the following is correct about Kinetic energy during the projectile motion?
22).
Which of the following is/are independent of mass during the projectile motion?
23).
What is the maximum height that can be attained by a projectile?
24).
Which of the following is NOT correct about Vectors addition?
25).
Which of the following statements regarding vectors is NOT correct?
1. Which of the following pairs represent two scalar quantities?
[A] Mass, Acceleration
[B] Temperature, Torque
[C] Distance, Speed
[D] Gravitational Intensity, Work
2. Which of the following is true about displacement of an object?
[A] It is always equal to the distance travelled by the object
[B] It can be less than the distance travelled by the object
[C] It can be greater than the distance travelled by the object
[D] It always less than the distance travelled by the object
3. The branch of mechanics which deals with the study of motion of material objects without taking into account the factors which cause motion is called as:
[A] Statics
[B] Kinematics
[C] Dynamics
[D] None of the above
4. Which of the following represents non-uniform motion?
[A] equal displacements in unequal intervals of time
[B] unequal displacements in unequal intervals of time
[C] equal displacements in equal intervals of time
[D] unequal displacements in equal intervals of time
5. What is the slope of the velocity-time graph when an object moves with constant negative acceleration, having positive initial velocity?
[A] 90°
[B] more than 90°
[C] less than 90°
[D] 0°
6. The motion of an object under free fall is an example of which of the following?
[A] uniform velocity
[B] uniform acceleration
[C] zero acceleration
[D] non-uniform acceleration
7. The acceleration at a given instant of time is called as:
[A] Average acceleration
[B] Instantaneous acceleration
[C] Variable acceleration
[D] Zero acceleration
8. What is represented by the slope of a straight line joining two points on a velocity-time graph?
[A] Average velocity
[B] Instantaneous acceleration
[C] Average acceleration
[D] None of the above
9. The equation of motion ‘v = u +at’ can be applied in which of the following cases?
[A] simple harmonic motion
[B] circular motion
[C] when acceleration is constant
[D] Both b and c
10. Which of the these physical quantities is a vector quantity?
[A] Temperature
[B] Speed
[C] Gravitational Intensity
[D] Work
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