ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 3 Motion and Force

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 3 Motion and Force

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Physics ECAT Pre Engineering Chapter 3 Motion and Force

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Question # 1

If the acceleration of a body is negative, then slope of the velocity-time graph will be:

Question # 2

The projectile motion is composed of

Question # 3

The horizontal component of a projectile moving with initial velocity of 500 ms-1at an angle 60° to x-axis is

Question # 4

A train cover 90 km in half an hour. the time taken by it to travel 15 km will be:

Question # 5

If m means mass of gases objected per second from a rocket and v shows the change in velocity, than mv is named as:

Question # 6

Root out of the conventional source of energy:

Question # 7

A monkey sits on the pan of spring scale kept in an elevator. The reading of the spring scale will be maximum when

Question # 8

The collision in which KE is conserved but momentum is not conserved is called:

Question # 9

A body moving with an acceleration of 5 m/sec2started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?

Question # 10

A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is

Question # 11

When we consider the average velocity of a body, then the body is moving in

Question # 12

The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:

Question # 13

Maximum height of a bullet when fixed at 30 with horizontal is 11 m. Then height when it is fired at 60° is

Question # 14

Laws of motion are not valid in a system which is

Question # 15

Tick the conservation force:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 One KWh is equal to:
A. 3.6 x 102J
B. 3.6 KJ
C. 3.6 x 101KJ
D. 3.6 MJ
2 If a car rest acceleration uniformly to a speed of 144 km/h in 20 s it covers a distance of
A. 20 m
B. 400 m
C. 1440 m
D. 2880 m
3 Change in momentum is one second is called:
A. Impulse
B. Force
C. Energy
D. Work
4 A certain force gives an acceleration of 2 m/sec2 to a body if mass 5 kg. The same force would give a 29 kg object an acceleration of:
A. 0.5 m/sec2
B. 5 m/sec2
C. 1.5 m/sec2
D. 9.8 m/sec2
5 A typical rocket consumes about
A. 100 kg s-1of fuel
B. 1000 kg s-1of fuel
C. 10000 kg s-1of fuel
D. 100000 kg s-1of fuel
6 The magnitude of the force producing an acceleration of 10 m/sec2 in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N
7 What must be changing when a body is accelerating uniformly?
A. the force acting on a body
B. the velocity of the body
C. the mass of the body
D. the speed of the body
8 If two bodies of equal masses moving in the same direction collide elastically, then their velocities.
A. Are added
B. Are subtracted
C. Do not change
D. Are exchanged
9 The motion of a projectile is
A. one dimension
B. two dimension
C. three dimension
D. all of them
10 The vertical component of velocity of a projectile during its motion is minimum
A. at the time of projection
B. at the highest point
C. just before hitting the plane of projection
D. all of them

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