ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

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

A body is thrown from a height h with speed u, it hits the ground with speed V

Question # 2

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

Question # 3

When two protons are brought closer potential energy of both of them:

Question # 4

The three equation of motions are useful only for

Question # 5

Slope of velocity-time graph represents:

Question # 6

The projectile attains maximum horizontal range when it is projected at an angle of

Question # 7

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

Question # 8

A body of weight 1 N has a kinetic energy of 1 joule when its speed is:

Question # 9

In equation F=ma, then mass 'm' is

Question # 10

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

Question # 11

The consumption of energy by a 1000 watt heter in half an hour is:

Question # 12

If d is the displacement of the body in time t, then its average velocity will be

Question # 13

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 # 14

Force is a:

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which quantity has the same units as impulse
A. force
B. work
C. linear momentum
D. acceleration
2 When a shell explodes in mid-air, its fragments fly off in
A. only one direction
B. in two direction
C. different directions
D. a particular direction
3 A body starting from rest covers a distance of 0.45 Km and acquires a velocity of 300 Kmh-1. its acceleration will be
A. 7.71 m s-2
B. 0.5m s-2
C. 0.15m s-2
D. 0.092m s-2
4 A ball is dropped vertically down and it takes time t to reach the ground. At time t/2
A. The ball had covered exactly half the distance
B. The velocity of the ball was V/3 where V is the velocity when it reached the ground
C. The ball had covered less than half the distance
D. The ball had covered more than half the distance
5 A body of mass 1.0 kg is falling with an acceleration of 10 m/s2. Its apparent weight will be (g=10 m/s2)
A. 1.0 kg wt
B. 2.0 kg wt
C. 0.5 kg wt
D. Zero
6 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
7 Blomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
8 The three equation of motions are useful only for
A. linear motion with increasing acceleration
B. line motion with uniform acceleration
C. linear motion with zero acceleration
D. linear motion with varying acceleration
9 Root out of the conventional source of energy:
A. Energy from biomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
10 A body walks to his school at a distance of 6 km with a speed of 2.5 km/h and walks back with a constant speed of 5 km/h. His average speed for round trip expressed in km/h is
A. 24/13
B. 10/3
C. 3
D. 4,8

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