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

A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

Question # 2

The SI units of momentum is

Question # 3

If the velocity time graph is a straight line parallel to time-axis, then it means that:

Question # 4

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 # 5

Which quantity has the same units as impulse

Question # 6

The direction of the linear momentum is the direction of

Question # 7

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

Question # 8

Slope of velocity time graph represents:

Question # 9

When brakes are applied to a fast moving car, the passenger will be thrown:

Question # 10

A body moving with an acceleration of 5 m/sec2started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?

Question # 11

Change in momentum is one second called.

Question # 12

A person is sitting in a traveling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be concluded that the train is

Question # 13

The time of flight of a projectile motion equal to

Question # 14

Bodies failing freely under gravity provide good example of motion under

Question # 15

Acceleration of a body is negative if the velocity of the body is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 In the expression F x t, the force F is
A. total force
B. instantaneous force
C. average force
D. all of them
2 Newton published laws of motion in his famous book "principia" in
A. 1867
B. 1667
C. 1676
D. 1687
3 Tick the conservative force:
A. tension in a string
B. Air resistance
C. Elastic spring force
D. Frictional force
4 A body moving with an acceleration of 5 m/sec2started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?
A. 150 m
B. 250 m
C. 350 m
D. 400 m
5 The area under line velocity-time graph is numerically equal to the
A. speed of the body
B. acceleration of the body
C. distance covered by the body
D. none of them
6 The SI units of momentum is
A. kg m s-2
B. kg ms
C. kg m s2
D. N-s
7 According to the law of conservation of linear momentum, the total linear momentum of an isolated system
A. increases
B. decreases with time
C. remains constant
D. none of them
8 The projectile attains maximum horizontal range when it is projected at an angle of
A. 30°
B. 45°
C. 60°
D. 75°
9 If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have
A. uniform deceleration
B. uniform negative acceleration
C. average acceleration
D. uniform positive acceleration
10 A projectile on its path gets divided into two pieces at its highest point. Which is true?
A. Momentum increases
B. Momentum decreases
C. Kinetic energy increases
D. Kinetic energy decreases

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