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

What must be changing when a body is accelerating uniformly?

Question # 2

If the instantaneous velocity of a body does not change. the body is said to be moving with

Question # 3

Work done along a closed path in a gravitational force is:

Question # 4

Acceleration produced in a body by a force varies

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

The quantity F x t is called as

Question # 9

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

Question # 10

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

Question # 11

A typical rocket ejects the burnt gases at speeds over

Question # 12

When a bicycle is in motion, the frictional forces exerted by the ground are

Question # 13

Swimming becomes possible because of______law of motion.

Question # 14

For maximum linear distance of travel, a projectile must be fired at an angle of

Question # 15

An inertial frame of reference is that frame of reference in which

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is
A. Mg
B. 1/2 Mg
C. Zero
D. 2 Mg
2 A man sitting in a bus travelling in a direction from west to east with a speed of 40 km/h observes that the rain drops are falling vertically down. To the another man standing on ground the rain will appear
A. To fall vertically down
B. To fall at an angle going from west to east
C. To fall at an angle going from east to west
D. The information given is insufficient to decide the direction of rain
3 An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then
A. It still moves with the same velocity
B. It will be just floating at the same point in space
C. It will be fall down instantaneously
D. It will lose its velocity gradually
4 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)
A. 9.8 m
B. 14.7 m
C. 4.9 m
D. 19.6 m
5 The motion of a projectile is
A. one dimension
B. two dimension
C. three dimension
D. all of them
6 A typical rocket consumes about
A. 100 kg s-1of fuel
B. 1000 kg s-1of fuel
C. 10000 kg s-1of fuel
D. 100000 kg s-1of fuel
7 If a car rest acceleration uniformly to a speed of 144 km/h in 20 s it covers a distance of
A. 20 m
B. 400 m
C. 1440 m
D. 2880 m
8 The mass of the object is a quantities measure of its
A. speed
B. velocity
C. acceleration
D. inertia
9 Rate of change of momentum is called
A. Impulse
B. Force
C. Torque
D. Momentum
10 A typical rocket consists of fuel
A. more than 60% of launch mass
B. less than 60% of launch mass
C. less than 80% of launch mass
D. more than 80% of launch mass

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