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

Root out of the conventional source of energy:

Question # 3

Distance traveled by a body falling from rest in the first, second and third second is in the ration of

Question # 4

Ethanol (alcohol) as a type of:

Question # 5

In the expression F x t, the force F is

Question # 6

A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. By what velocity the gun rebounds backwards?

Question # 7

When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is

Question # 8

If the velocity time graph is a straight line parallel to the time-axis, then it means:

Question # 9

When the surfaces are coated with a lubricant, then they

Question # 10

A mass of 5kg moves with an acceleration of 10m s-2force applied is

Question # 11

Inertia mass and gravitational mass are

Question # 12

If m is the mass of the gases ejected per second with velocity v relative to the rocket of mass M, then the acceleration of rocket is

Question # 13

A projectile on its path gets divided into two pieces at its highest point. Which is true?

Question # 14

An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:

Question # 15

The dimension of linear inertia is:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When brakes are applied to a fast moving car, the passenger will be thrown:
A. Forward
B. Backward
C. Downward
D. none of these
2 When a bicycle is in motion, the frictional forces exerted by the ground are
A. In the forward direction on both the wheels
B. In the backward direction on both the wheels
C. In the forward direction on the front wheel and the backward direction on the rear wheel
D. In the backward direction on the front wheel and the forward direction on the rear wheel
3 The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N
4 The mass of a body measured by a physical balance in a lift at rest is found to be m, if the lift is going up with an acceleration a, its mass will be measured as
A. m (1 - a/g)
B. m (1 + a/g)
C. m
D. Zero
5 A non-inertial frame of reference is that frame of reference in which
A. a = 0
B. a > 0 or a < 0
C. v = 0
D. none of them
6 The slopes of the tangent at any point on the curve gives the value of the
A. average velocity at that point
B. instantaneous velocity at that point
C. average acceleration at that point
D. instantaneous acceleration at that point
7 Inertial frame of references are those frame of references which are moving with
A. increasing velocity
B. decreasing velocity
C. constant velocity
D. all of them
8 For maximum linear distance of travel, a projectile must be fired at an angle of
A. 0°
B. 45°
C. 90°
D. 60°
9 Range of a projectile is R, when the angle of projection is 30° . Then, the value of the other angle of projection for the same range, is
A. 45°
B. 60°
C. 50°
D. 40°
10 A 5 kg mass is falling freely, the force acting on, it will be
A. 19.6 N
B. 9.8 N
C. 5 N
D. Zero

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