Question # 1

One KWh is equal to:

Choose an answer

3.6 x 10²J

3.6 KJ

3.6 x 10¹KJ

3.6 MJ

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

Choose an answer

10 s

20 s

5 s

40 s

In the expression F x t, the force F is

Choose an answer

total force

instantaneous force

average force

all of them

If the acceleration of a body is negative, then slope of the velocity-time graph will be:

Choose an answer

Zero

Positive

Negative

Infinity

When body moves with increasing acceleration, its velocity time graph is a

Choose an answer

straight line

horizontal straight line

vertical straight line

curve

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

Choose an answer

5 N

10 N

15 N

20 N

Distance covered by a freely falling body in 2 sec will be

Choose an answer

4.9 m

19.6 m

29.2 m

44.1 m

A rocket carries its own fuel in the form of

Choose an answer

liquid only

liquid or solid

liquid and solid

liquid or solid and oxygen

In equation F=ma, then mass 'm' is

Choose an answer

rest mass

variable mass

inertial mass

gravitational mass

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

Choose an answer

1 : 2 : 3

1 : 3 : 5

1 : 4 : 9

None of the above

The dimension of linear inertia is:

Choose an answer

MLT²

ML⁰T^-2

ML⁰T⁰

MLT^-1

A projectile on its path gets divided into two pieces at its highest point. Which is true?

Choose an answer

Momentum increases

Momentum decreases

Kinetic energy increases

Kinetic energy decreases

If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine, is (Take g=9.8 m/s²)

Choose an answer

9.8 m/s

19.6 m/s

39.2 m/s

98.0 m/s

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

Choose an answer

0°

45°

90°

60°

When a shall explodes a mid-air, the total momentum of its fragments is

Choose an answer

less than the momentum of shell

equal to the momentum of shell

greater than the momentum of shell

none of them

The magnitude of the force producing an acceleration of 10 m/sec²in a body of mass 500 grams is:

Choose an answer

3 N

4 N

5 N

6 N

More Classes

Other Links

ECAT Physics Chapter 3 Motion and Force Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer