Class 9 | Laws Of Motion

Flash Card

Even if the displacement of an object is zero, the actual distance traversed by it...................

1/30

A student is able to move a block of mass 2 kg with minimum force of 1N. The force of friction between the object and the surface will be

2/30

If an object is moving with a uniform velocity ........................ .

3/30

A body at rest explodes into two equal parts. Then, they move with

4/30

............... is an example of positive acceleration.

5/30

Retardation means .............. acceleration.

6/30

Rocket works on the principle of conservation of

7/30

In a collision ................. is always conserved.

8/30

An object continues to remain at rest or in a state of uniform motion along a straight line unless an .............. acts on it.

9/30

................... is the relation between displacement and time.

10/30

When body is performing uniform circular motion, its ................... changes at every point.

11/30

The tendency of a body to resist .................. acceleration is called .

12/30

What is the numerical formula for force?

13/30

Which of the following does not belong with the others?

14/30

According to Newton's first law of motion, an object will remain at rest or in uniform motion unless acted upon by:

15/30

If a car is traveling at a constant speed around a curve, what is responsible for changing its direction?

16/30

v2 = u2 + 2as is the relation between ............... and ............. .

17/30

When a moving body comes to rest, then its initial velocity is taken as zero.

18/30

The force necessary to cause an acceleration of 1 m/s2 in an object of mass 1 kg is called .................. .

19/30

Which of the following is an example of accelerated motion?

20/30

The unit of velocity in the SI system is .................... .

21/30

What is acceleration?

22/30

The ............... is proportional to the applied force and it occurs in the direction of the force.

23/30

Father has mass 60 kg and the mass of his son is 30 kg. The ratio of the inertia of the father to his child is

24/30

The linear momentum of a system remains constant if no ............ force acts on it.

25/30

The inertia of a moving object depends on

26/30

What is the SI unit of momentum?

27/30

One Newton is defined as the force which gives a mass of 1 kg and acceleration of............ .

28/30

If the velocity changes by equal amounts in equal time intervals, the object is said to be in ................. .

29/30

The displacement that occurs in unit time is called ................... .

30/30

Class 9 | Laws Of Motion

1 / 30

One Newton is defined as the force which gives a mass of 1 kg and acceleration of………… .

2 / 30

The …………… is proportional to the applied force and it occurs in the direction of the force.

3 / 30

If the velocity changes by equal amounts in equal time intervals, the object is said to be in …………….. .

4 / 30

Rocket works on the principle of conservation of

5 / 30

When a moving body comes to rest, then its initial velocity is taken as zero.

6 / 30

In a collision …………….. is always conserved.

7 / 30

If an object is moving with a uniform velocity …………………… .

8 / 30

…………… is an example of positive acceleration.

9 / 30

What is the numerical formula for force?

10 / 30

What is the SI unit of momentum?

11 / 30

If a car is traveling at a constant speed around a curve, what is responsible for changing its direction?

12 / 30

Retardation means ………….. acceleration.

13 / 30

Father has mass 60 kg and the mass of his son is 30 kg. The ratio of the inertia of the father to his child is

14 / 30

………………. is the relation between displacement and time.

15 / 30

The displacement that occurs in unit time is called ………………. .

16 / 30

Even if the displacement of an object is zero, the actual distance traversed by it……………….

17 / 30

According to Newton’s first law of motion, an object will remain at rest or in uniform motion unless acted upon by:

18 / 30

When body is performing uniform circular motion, its ………………. changes at every point.

19 / 30

Which of the following does not belong with the others?

20 / 30

A student is able to move a block of mass 2 kg with minimum force of 1N. The force of friction between the object and the surface will be

21 / 30

What is acceleration?

22 / 30

v2 = u2 + 2as is the relation between …………… and …………. .

23 / 30

The inertia of a moving object depends on

24 / 30

An object continues to remain at rest or in a state of uniform motion along a straight line unless an ………….. acts on it.

25 / 30

The tendency of a body to resist ……………… acceleration is called .

26 / 30

The unit of velocity in the SI system is ……………….. .

27 / 30

The linear momentum of a system remains constant if no ………… force acts on it.

28 / 30

Which of the following is an example of accelerated motion?

29 / 30

The force necessary to cause an acceleration of 1 m/s2 in an object of mass 1 kg is called ……………… .

30 / 30

A body at rest explodes into two equal parts. Then, they move with

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