Physics - Mechanics Final Test
6 Questions
| Total Attempts: 2713
This is an online testing. Please complete on your own.
Questions and Answers
- 1.Using a stop-watch, Tom measured the time for a motor car to pass through 2 streetlights. The reading was 1.2 s. If the reaction time of Tom is 0.2 s, what is the maximum possible percentage error of his measurement?
- A.
8.33%
- B.
16.7%
- C.
33.3%
- D.
66.7%
- 2.
![A boy throws a ball vertically upwards as shown.
What is the displacement of the ball when it returns to its starting point? - ProProfs]( "A boy throws a ball vertically upwards as shown.
What is the displacement of the ball when it returns to its starting point?")
A boy throws a ball vertically upwards as shown. What is the displacement of the ball when it returns to its starting point?- A.
0 m
- B.
5 m
- C.
5 m upwards then 5 m downwards
- D.
10 m
- 3.
![In the following figure, a ball runs on a smooth rail from P to Q.
Which of the following graphs best represents the variation of the distance d travelled by the ball with time t?
- ProProfs]( "In the following figure, a ball runs on a smooth rail from P to Q.
Which of the following graphs best represents the variation of the distance d travelled by the ball with time t?")
In the following figure, a ball runs on a smooth rail from P to Q. Which of the following graphs best represents the variation of the distance d travelled by the ball with time t?- A.
Graph A
- B.
Graph B
- C.
Graph C
- D.
Graph D
- 4.
![Balls A and B are thrown vertically upwards and downwards respectively. If their initial speeds are the same, which of the following statements is/are correct when they meet?
(1) Their displacements should be the same.
(2) Their speeds should be the same.
(3) Their accelerations should be the same. - ProProfs]( "Balls A and B are thrown vertically upwards and downwards respectively. If their initial speeds are the same, which of the following statements is/are correct when they meet?
(1) Their displacements should be the same.
(2) Their speeds should be the same.
(3) Their accelerations should be the same.")
Balls A and B are thrown vertically upwards and downwards respectively. If their initial speeds are the same, which of the following statements is/are correct when they meet? (1) Their displacements should be the same. (2) Their speeds should be the same. (3) Their accelerations should be the same.- A.
(1) only
- B.
(3) only
- C.
(1) and (3) only
- D.
(1) and (3) only
- 5.
![The following graph shows that quantity X is directly proportional to time t.
Which of the following can be the quantity X?
(1) Velocity of a freely falling object with negligible air resistance.
(2) Displacement of an object moving at constant velocity.
(3) Distance travelled by an object moving with constant acceleration.
- ProProfs]( "The following graph shows that quantity X is directly proportional to time t.
Which of the following can be the quantity X?
(1) Velocity of a freely falling object with negligible air resistance.
(2) Displacement of an object moving at constant velocity.
(3) Distance travelled by an object moving with constant acceleration.")
The following graph shows that quantity X is directly proportional to time t. Which of the following can be the quantity X? (1) Velocity of a freely falling object with negligible air resistance. (2) Displacement of an object moving at constant velocity. (3) Distance travelled by an object moving with constant acceleration.- A.
(1) and (2) only
- B.
(1) and (3) only
- C.
(2) and (3) only
- D.
(1), (2) and (3)
- 6.
![In the figure below, a cannon-ball has been fired from a cannonWhich of the following figures best shows the direction of the resultant force acting on the cannon-ball at different time? - ProProfs]( "In the figure below, a cannon-ball has been fired from a cannonWhich of the following figures best shows the direction of the resultant force acting on the cannon-ball at different time?")
In the figure below, a cannon-ball has been fired from a cannonWhich of the following figures best shows the direction of the resultant force acting on the cannon-ball at different time?- A.
Picture A
- B.
Picture B
- C.
Picture C
- D.
Picture D
Scalar and Vector are just two of the many quantities used in physics. Scalar is a quantity that is totally described by magnitude or size, whereas, a vector quantity is specified by both magnitudes as well as direction. So, here...
Questions: 19 | Attempts: 10939 | Last updated: Oct 29, 2020
-
Sample QuestionWhich of the following is a physical quantity that has a magnitude but no direction?
Questions: 23 | Attempts: 8471 | Last updated: Mar 18, 2020
-
Sample QuestionOne possible unit of speed is
In this quiz on the scientific topic of physics, we’ll be taking a look at the moment of force – which is defined as the measure of its tendency to cause a body to rotate about a specific point of axis. One example...
Questions: 5 | Attempts: 8064 | Last updated: Sep 10, 2020
-
Sample QuestionA SEE-SAW. On one side, there is a person with a weight of 600N. He is sitting 3m away from the pivot. On the other side, is a person weighing 450N. How far away must (s)he sit?
Hunter x Hunter Nen Test: What is Your Nen Personality?
Hunter x Hunter Nen Test: What is Your Nen Personality?
What Dog Breed Does Your Personality Match With Quiz
What Dog Breed Does Your Personality Match With Quiz
Back to top