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 ball is dropped from a height of 4.2 meters. To what height it will rise if there is no loss of KE after rebounding?

Question # 2

The projectile motion is composed of

Question # 3

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 # 4

The velocity of a projectile is maximum

Question # 5

The motion of a body in a straight line is the motion in

Question # 6

Graphs which are used to illustrate the variation of velocity of an object with time are called

Question # 7

An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then

Question # 8

When a bicycle is in motion but not pedaled, the force of friction exerted by the ground on the two wheels is such that it acts

Question # 9

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

Question # 10

When a body is moving on a surface, the force of friction is called

Question # 11

The projectile attains maximum horizontal range when it is projected at an angle of

Question # 12

Which of the following four statements is false?

Question # 13

A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is

Question # 14

The quantity F x t is called as

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A force of 50 dynes is acted on a body of mass 5 g which is at rest, for an interval of 3 seconds, then impulse is
A. 0.15 x 10-3Ns
B. 0.98 x 10-3Ns
C. 1.5 x 10-3Ns
D. 2.5 x 10-3Ns
2 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
3 A particle of mass 0.5 g moving along x-axis is located of x1= 15 m at t1= 5s and x2= 33 m at t2= 13s its average velocity is
A. 6 m s-1
B. 2.45 m s-1
C. 2.25 m s-1
D. 4.45 m s-1
4 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
5 A mass of 5kg moves with an acceleration of 10m s-2force applied is
A. 10N
B. 50N
C. 2N
D. 20N
6 A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is
A. 17 m/s
B. 33 m/s
C. 17.5 m/s
D. none
7 When the total displacement is divided by total time taken, we get:
A. Velocity
B. Average speed
C. Average velocity
D. None of these
8 Two projectiles are fired from the same point with the same speed at angles of projection 60° and 30° respectively. Which one of the following is true?
A. Their range will be same
B. Their maximum height will be same
C. Their landing velocity will be same
D. Their time of flight will be same
9 The mass of a body measured by a physical balance in a lift at rest is found to be m, if the lift is going up with an acceleration a, its mass will be measured as
A. m (1 - a/g)
B. m (1 + a/g)
C. m
D. Zero
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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