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

Question # 2

Blomass includes:

Question # 3

When a person jumps off the ground, the reaction force of the ground is

Question # 4

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 # 5

Acceleration produced in a body by the force varies

Question # 6

A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is

Question # 7

For a fixed force, larger is the mass of a body the

Question # 8

At the top of the trajectory of a projectile the acceleration is

Question # 9

Essential characteristic of equilibrium is

Question # 10

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)

Question # 11

A railway engine (mass 104kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is

Question # 12

Biomass includes:

Question # 13

A non-inertial frame of reference is that frame of reference in which

Question # 14

A typical rocket consists of fuel

Question # 15

When a force is applied on a body, several effects are possible Which of the following effect could not occur?

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Ethanol (alcohol) is a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these
2 If the objects of different masses move with the same velocity, then it is more difficult to stop the
A. lighter of the two
B. massive of the two
C. any one of them
D. both of them
3 Work done along a closed path in a gravitational field is:
A. Maximum
B. Minimum
C. Zero
D. Unity
4 The quantity F x t is called as
A. momentum
B. velocity
C. acceleration
D. impulse
5 The motion in a plane is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
6 If speed of electron is 5 x 105m/s. How long does it take one electron to transverse 1 m?
A. 1 x 106
B. 2 x 106
C. 2 x 105
D. 1 x 105
7 The entity which measures the quantity of motion in a body is called
A. force
B. energy
C. momentum
D. power
8 During the upward motion of the projectile, the vertical component of velocity.
A. Decreases
B. Increases
C. Remains constant
D. None of these
9 The discuss used by athlete has a mass of 1 kg, its weight in newton is
A. 9.8 N
B. 80 N
C. 98 N
D. 100 N
10 A 120 m long train is moving in a direction with speed 20 m/s. A train B moving with 30 m/s in the opposite direction and 130 m long crosses the first train in a time
A. 6 s
B. 36 s
C. 38 s
D. None of these

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