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

Which of the following statements for an object in equilibrium is not true?

Question # 2

The discuss used by athlete has a mass of 1 kg, its weight in newton is

Question # 3

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 # 4

Acceleration in a body is always produced in the direction of :

Question # 5

The horizontal range of projectile, at a certain place, depends upon

Question # 6

A car travels first half distance between two places with a speed of 30 km/h and remaining half with a speed of 50 km/h. The average speed of the car is

Question # 7

When a horse pulls a cart, the force that makes the horse run forward is the force exerted by

Question # 8

The velocity of a body at any instant of its motion is known as

Question # 9

A body of mass 5 kg is acted upon by a constant force of 20 n for 7 seconds. The total change in momentum will be:

Question # 10

If an iron ball and a wooden ball of the same radius was released from a height 'h' in vacuum, then time taken by both of them to reach ground will be

Question # 11

If the objects of different masses move with the same velocity, then it is more difficult to stop the

Question # 12

During the projectile motion, the horizontal component of velocity

Question # 13

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

Question # 14

Suppose the water flows out from a pipe at 3kg s-1and its velocity changes from 5m s-1to zero on striking the wall, then the force exerted by water on wall will be

Question # 15

For a given angle of projection, if the time of flight of a projectile is doubled, the horizontal range will increases to

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The velocity of a projectile is maximum
A. at the point of projection
B. just before striking the ground
C. at none of them
D. at both of them
2 Unit of impulse in
A. Newton
B. Kg m
C. Kg m/s
D. Joule
3 When a horse pulls a cart, the force that makes the horse run forward is the force exerted by
A. The horse on the ground
B. The horse on the cart
C. The ground on the horse
D. The ground on the cart
4 The effect of applying a force on a moving body is to change
A. its direction of motion only
B. its speed of motion only
C. both the direction and speed of motion
D. its inertia only
5 When a body is moving on a surface, the force of friction is called
A. Static friction
B. Dynamic friction
C. Limiting friction
D. Rolling friction
6 A dirty carpet is to be cleaned by heating. This is in according with______law of motion.
A. First
B. Second
C. Third
D. None of these
7 The consumption source if energy is:
A. Energy from blomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
8 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
9 A body of weight 1 N has a kinetic energy of 1 joule when its speed is:
A. 1.46 m sec-1
B. 2.44 m sec-1
C. 3.42 m sec-1
D. 4.43 m sec-1
10 Acceleration of a body is negative if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them

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