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

The dimension of linear inertia is:

Question # 2

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

Question # 3

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 # 4

The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:

Question # 5

The time rate of change of displacement is called:

Question # 6

If speed of electron is 5 x 105m/s. How long does it take one electron to transverse 1 m?

Question # 7

During the projectile motion, the horizontal component of velocity

Question # 8

If a car rest acceleration uniformly to a speed of 144 km/h in 20 s it covers a distance of

Question # 9

A cold soft drink is kept on the balance. When the cap is opened, then the weight

Question # 10

Two bodies of masses 1 kg and 5 kg are dropped gently form the top of a tower. A a point 20 cm from the ground both the bodies will have the same

Question # 11

A body whose momentum is constant must have constant

Question # 12

A boat of mass 40 kg is at rest, A dog of mass 4 kg moves in the boat with a velocity of 10 m/s. What is the velocity of boat?

Question # 13

Acceleration produced in a body by the force varies

Question # 14

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

Question # 15

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:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Maximum height of a bullet when fixed at 30 with horizontal is 11 m. Then height when it is fired at 60° is
A. 22 m
B. 6 m
C. 33 m
D. 7.8 m
2 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
3 The entity which measures the quantity of motion in a body is called
A. force
B. energy
C. momentum
D. power
4 The decrease in velocity per unit time is called
A. deceleration
B. acceleration
C. uniform acceleration
D. variable acceleration
5 When a person jumps off the ground, the reaction force of the ground is
A. greater than the weight of the person
B. smaller than the weight of the person
C. equal to the weight of the person
D. zero
6 An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:
A. 100 m/sec
B. 140 m/sec
C. 1960 m/sec
D. 196 m/sec
7 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
8 A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:
A. First
B. Second
C. Third
D. None of these
9 The velocity given to a body to go out of the influence of earth's gravity is known as:
A. Terminal velocity
B. Orbital velocity
C. Escape velocity
D. None of these
10 Essential characteristic of equilibrium is
A. Momentum equal to zero
B. Acceleration equal to zero
C. Kinetic energy equal to zero
D. Velocity equal to zero

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