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

Bodies failing freely under gravity provide good example of motion under

Question # 2

The vertical and horizontal range will be equal id angle of projection is

Question # 3

The linear momentum of the body is defined as

Question # 4

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

Question # 5

The expression F x t is called impulse if the time 't' is

Question # 6

Rate of change of momentum is called

Question # 7

A stone is dropped from rest from the top of a tower 19.6 m high. The distance traveled during the last second of its fall is (giving g=9.8 m/ss)

Question # 8

Distance traveled by a body falling from rest in the first, second and third second is in the ration of

Question # 9

Flight of rocket in the space is an example of

Question # 10

In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is

Question # 11

Ethanol (alcohol) is a type of:

Question # 12

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 # 13

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

Question # 14

By which velocity a ball be projected vertically so that the distance covered by it in 5th seconds is twice the distance it covers in its 6th second ( g=10m/s2)

Question # 15

If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
A. Momentum
B. Kinetic energy
C. Velocity
D. Total energy
2 The velocity of a body at any instant of its motion is known as
A. average velocity
B. instantaneous velocity
C. uniform velocity
D. none of them
3 If two bodies of equal masses moving in the same direction collide elastically, then their velocities.
A. Are added
B. Are subtracted
C. Do not change
D. Are exchanged
4 In equation F=ma, then mass 'm' is
A. rest mass
B. variable mass
C. inertial mass
D. gravitational mass
5 A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is
A. m
B. 2 m
C. 4 m
D. Infinity
6 The motion in a plane is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
7 A body is thrown from a height h with speed u, it hits the ground with speed V
A. The value of V is maximum if the body is thrown vertically downward
B. The value of V is maximum if the body is thrown vertically upwards
C. The value of V is minimum if the body is thrown horizontally
D. The value of V does not depend on the direction of which it is thrown
8 Which quantity has the same units as impulse
A. force
B. work
C. linear momentum
D. acceleration
9 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
10 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these

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