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Q 1/30
Score 0
Which of the following statement is TRUE about the concept of Newton’s Second Law of Motion?
30
When an object exerts a force on another object, the second object exerts a larger and opposite force to the first object.
When an object exerts a force on another object, the second object exerts a lesser and same direction of force to the first object.
When an object exerts a force on another object, the second object exerts an equal and the same direction of force to the first object.
When an object exerts a force on another object, the second object exerts an equal and opposite force to the first object.
Q 2/30
Score 0
Racing cars are made stable by
30
lowering their center of gravity
increasing their speed
decreasing their mass
decreasing their width
30 questions
Q.
Which of the following statement is TRUE about the concept of Newton’s Second Law of Motion?
1
30 sec
Q.
Racing cars are made stable by
2
30 sec
Q.
Which of the following is true?
3
30 sec
Q.
Which of the following does NOT properly relate force and potential energy?
4
30 sec
Q.
It is a common observation that naturally occurring processes have a particular direction associated with them. For instance, heat flows from a hot body to a colder body. The property of a system that is used to quantitatively describe this natural direction of events is called
5
30 sec
Q.
An artificial Satellite revolves round the Earth in circular orbit, which quantity remains constant?
6
30 sec
Q.
The speed of sound will be maximum if passing through
7
30 sec
Q.
Pressure cooker cooks rice faster because
8
30 sec
Q.
A body travels from A to B at 40m/s and from B to A at 60m/s. Calculate the average speed.
9
30 sec
Q.
What is the acceleration of a bus approaching a bus stop?
10
30 sec
Q.
Which of the following situation is an example of isobaric process?
11
30 sec
Q.
The efficiency, e, of any heat engine can be defined as the ratio ___________.
12
30 sec
Q.
“If an external pressure is applied to a confined fluid, the pressure at every point within the fluid increases by that amount”. This is __________.
13
30 sec
Q.
___________ states that “where the velocity of a fluid is high, the pressure is low, and where the velocity is low, the pressure is high.”
14
30 sec
Q.
If an object moves with a constant velocity, we can conclude that
15
30 sec
Q.
When the rocket engines on the starship NO-PAIN-NO-GAIN are suddenly turned off, while travelling in empty space, the
starship will ____________.
16
30 sec
Q.
A rocket moves through empty space in a straight line with constant speed. It is far from the gravitational effect of any star or
planet. Under these conditions, the force that must be applied to the rocket to sustain its motion is ___________.
17
30 sec
Q.
You are standing in a moving bus, facing forward, and you suddenly fall forward. You can imply from this that the bus’ ___.
18
30 sec
Q.
In a simple pendulum, the PE energy is maximum when,
19
30 sec
Q.
A man pushes a crate along a factory floor by exerting a force of 55N. If the crate moves 4m, how much work does the man perform?
20
30 sec
Q.
Work
21
30 sec
Q.
For the work to be done, what must be true?
22
30 sec
Q.
When the weight of an object is more than the buoyant force, what will happen?
23
30 sec
Q.
Which of the following statement is TRUE?
24
30 sec
Q.
Pressure of fluids goes in what direction?
25
30 sec
Q.
Which statement is true about Kinetic and Potential Energy?
26
30 sec
Q.
Action-reaction forces are ________.
27
30 sec
Q.
The number of waves that passes through a given point at a particular time is called ________.
28
30 sec
Q.
Which of the following situations is impossible?
29
30 sec
Q.
When a ball is thrown straight up with no air resistance, the acceleration at its highest point
