More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Physics ECAT Pre Engineering Chapter 3 Motion and Force Online Test MCQs With Answers
Question # 1
Laws of motion are not valid in a system which is
Choose an answer
inertial
non-interial
at rest
moving with uniform velocity
Previous
Skip
Next
Question # 2
If m means mass of gases objected per second from a rocket and v shows the change in velocity, than mv is named as:
Choose an answer
Force
Energy
work
impulse
Previous
Skip
Next
Question # 3
A monkey sits on the pan of spring scale kept in an elevator. The reading of the spring scale will be maximum when
Choose an answer
Elevator is stationary
Elevator cable breaks and it falls freely towards earth
Elevator accelerates downwards
Elevator accelerates upward
Previous
Skip
Next
Question # 4
Body which falls freely under gravity provides good example of motion under:
Choose an answer
Uniform acceleration
Non-uniform acceleration
Uniform velocity
None of these
Previous
Skip
Next
Question # 5
Which of the following four statements is false?
Choose an answer
A body can have zero velocity and still be accelerated
A body can have a constant velocity and still have a varying speed
A body can have a constant speed and still have a varying velocity
The direction of the velocity of a body can change when its acceleration is constant
Previous
Skip
Next
Question # 6
If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have
Choose an answer
different values
same values
zero valves
constant valves
Previous
Skip
Next
Question # 7
In velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is
Choose an answer
8
4
6
7
Previous
Skip
Next
Question # 8
A the top of the trajectory of a projectile, the directions of its velocity and acceleration are
Choose an answer
Perpendicular to each other
Parallel to each other
Inclined to each other at an angle of 45
°
Anitparallel to each other
Previous
Skip
Next
Question # 9
Ethanol (alcohol) is a type of:
Choose an answer
Electric fuel
Bio fuel
Nuclear fuel
None of these
Previous
Skip
Next
Question # 10
A person is sitting in a traveling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be concluded that the train is
Choose an answer
Moving forward and gaining speed
Moving forward and losing speed
Moving forward with uniform speed
Moving backward with uniform speed
Previous
Skip
Next
Question # 11
A change in position of a body from its initial position to its final position is known as
Choose an answer
relative motion
displacement
distance
acceleration
Previous
Skip
Next
Question # 12
Tick the conservative force:
Choose an answer
tension in a string
Air resistance
Elastic spring force
Frictional force
Previous
Skip
Next
Question # 13
Bodies failing freely under gravity provide good example of motion under
Choose an answer
non-uniform acceleration
uniform acceleration
variable acceleration
increasing acceleration
Previous
Skip
Next
Question # 14
An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:
Choose an answer
100 m/sec
140 m/sec
1960 m/sec
196 m/sec
Previous
Skip
Next
Question # 15
A certain force gives an acceleration of 2 m/sec
2
to a body mass 5 kg. The same force would give a 20 kg object an acceleration of:
Choose an answer
0.5 m/sec
2
5 m/sec
2
1.5 m/sec
2
9.8 m/sec
2
Previous
Skip
Next
Question # 16
The linear momentum of the body is defined as
Choose an answer
p=ma
p=1/2ma
p=mv
p=1/2mv
Previous
Skip
Next
Back