Q1 The branch of mechanics which deals with the study of motion of objects by taking into account the cause of motion is
- a. Statics
- b. Kinematics
- c. Dynamics
- d. None of these.
- c. Dynamics
Q2 A billiard ball moving over the billiard table is an example of motion in how many dimension?
- a. One dimension motion
- b. Two dimension motion
- c. Three dimension motion
- d. None of the above.
- b. Two dimension motion (if two out of three coordinates specifying the position of the object, then it is a Two dimension motion)
Q3 A particle is moving in a circular path of radius r. The displacement after half a circle would be
- (a) Zero
- (b) πr
- (c) 2r
- (d) 2πr
- (b) πr
Q4 Which of the following can be zero when the particle is in motion for some time?
- a) Displacement
- (b) Distance covered
- (c) Speed
- (d) None of the above.
- (b) Distance covered
Q5 Distance is a vector quantity.
- (a) True
- (b) False
- (b) False
Q6 Earth revolving around sun is an example of motion in two dimension motion
- (a) True
- (b) False
- (b) False
Q7 The branch of mechanics which deals with the study of motion of objects at rest is known as
- a. Statics
- b. Kinematics
- c. Dynamics
- d. None of these.
- a. Statics
Q8 Dimensional formula of speed is
- (a) `M^{0}L^{1}T^{-1}`
- (b) `M^{1}L^{2}T^{-1}`
- (c)`M^{0}L^{2}T^{-1}`
- (d)`M^{0}L^{1}T^{-2}`
- (a) `M^{0}L^{1}T^{-1}`
Q9. Which one of the following is the unit of velocity?
- a) kilogram
- b) meter
- c) `ms^{-1}`
- d) second
- (c) `ms^{-1}`
Q10 Speedometer of a motor vehicle indicates the instantaneous speed of a vehicle.
- (a) True
- (b) False
- (a) True
