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

Body which falls freely under gravity provides good example of motion under:

Question # 2

The motion in a plane is the motion in

Question # 3

Which one of the following is dimensionless.

Question # 4

The path described by a projectile is called its

Question # 5

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 # 6

Essential characteristic of equilibrium is

Question # 7

A lift is descending at a constant speed V. A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be

Question # 8

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

Question # 9

A lift is moving up with acceleration equal to 1/5 of that due to gravity. The apparent weight of a 60 kg man standing in lift is

Question # 10

A typical rocket consumes about

Question # 11

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 # 12

When the surfaces are coated with a lubricant, then they

Question # 13

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

Question # 14

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

Question # 15

Flight of rocket in the space is an example of

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 A body whose momentum is constant must have constant
A. Acceleration
B. Velocity
C. Force
D. None of these
3 The motion in a plane is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
4 The consumption source if energy is:
A. Energy from blomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
5 One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:
A. 2 kg
B. 3 kg
C. 4 kg
D. 8 kg
6 If d is the displacement of the body in time t, then its average velocity will be
A. Vav= d x t
B. Vav = t/d
C. Vav = d/t
D. Vav = d/t
7 If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine, is (Take g=9.8 m/s2)
A. 9.8 m/s
B. 19.6 m/s
C. 39.2 m/s
D. 98.0 m/s
8 Linear momentum is a
A. fixed quantity
B. constant quantity
C. scalar quantity
D. vector quantity
9 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
10 For maximum linear distance of travel, a projectile must be fired at an angle of
A. 0°
B. 45°
C. 90°
D. 60°

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