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

A ball is thrown upwards with a velocity of 100 m/s. It will reach the ground after

Question # 2

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

Question # 3

An object thrown upward with an initial velocity at certain angle with the horizontal and moving freely under the action of gravity is called

Question # 4

Newton published laws of motion in his famous book "principia" in

Question # 5

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 # 6

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 # 7

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

Question # 8

The displacement coincides with the path of the motion when a body moves is a

Question # 9

The motion in a plane is the motion in

Question # 10

A motorist travels A to B at a speed at 40 km/h and returns at speed of 60km/h. His average speed will be

Question # 11

A body is moving with constant velocity of 10 m/sec in the north east direction. Then its acceleration will be:

Question # 12

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

Question # 13

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

Question # 14

Suppose the water flows out from a pipe at 3kg s-1and its velocity changes from 5m s-1to zero on striking the wall, then the force exerted by water on wall will be

Question # 15

The direction of the acceleration is the same as that of

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which one of the following is dimensionless.
A. Acceleration
B. Velocity
C. Density
D. Angle
2 Tick the conservation force:
A. Tension in a string
B. Air resistance string
C. Elastic spring force
D. Frictional force
3 Root out of the conventional source of energy:
A. Energy from biomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
4 A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about
A. 80 m
B. 20 m
C. 160 m
D. 40 m
5 The expression F x t is called impulse if the time 't' is
A. zero
B. very large
C. very small
D. infinite
6 A cold soft drink is kept on the balance. When the cap is opened, then the weight
A. Increases
B. Decreases
C. First increases, then decreases
D. Remains same
7 Slope of velocity time graph represents:
A. Acceleration
B. Speed
C. Torque
D. Work
8 If m is the mass of the gases ejected per second with velocity v relative to the rocket of mass M, then the acceleration of rocket is
A. a = M/mv
B. a = mM/v
C. a = mv/M
D. a = v/mm
9 In the expression F x t, the force F is
A. total force
B. instantaneous force
C. average force
D. all of them
10 Root out the conventional source of energy:
A. Energy from blomass
B. hydroelectric energy
C. Geothermal energy
D. None of these

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