Science Write the Correct Alternative.

In CGS system, the unit of force is …………….. .

When a bullet is fired from the gun, the gun moves in backward direction. This motion is called as …………….. .

…………….. is always conserved in a collision.

S.I. unit of momentum is

The rate of change of momentum is proportional to the applied …………….. .

…………….. is the product of mass and velocity of an object.

To describe an object’s momentum, we must specify its …………….. and …………….. .

…………….. cause a change in the state of an object at rest or in uniform motion.

Newton’s first law explains the phenomenon of

The first equation of motion gives relation between …………….. and time.

In the distance-time graph, the slope of the straight line indicates …………….. .

For all uniformly accelerated motions, the velocity-time graph is a …………….. .

When a coin moves along a circular path, the direction of its motion at every point is …………….. .

When an object moves in a circular path with uniform speed, its motion is …………….. motion.

Motion of an object was studied by ……………..

In case of motion, object travels equal …………….. in equal intervals of time.

Negative acceleration is also called or

When velocity of a body decreases, its acceleration is …………….. .

When velocity of a body increases, its acceleration is ……………..

Speed of light in dry air is …………….. m/s.

The rate of change of velocity is called

If an object covers unequal distances in equal time Intervals, it is said to be moving with speed.

If an object covers equal distances in equal time intervals, it is said to be moving with …………….. speed.

…………….. . is related to distance, while …………….. is related to displacement.

Units of speed and velocity are the

The distance travelled in a particular direction by an object in unit time is called its …………….. .

S.I. unit of speed is …………….. and in C.G.S unit it is …………….. .

The distance covered by a body in unit time is called its …………….. .

…………….. is the length of the actual path travelled by an object in motion while going from one point to another.

A body is said to be at …………….. if it does not change its position with respect to its surroundings.

A body is said to be in motion if it changes its …………….. with respect to its surroundings.

…………….. is a relative concept.

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

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

is an example of positive acceleration.

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

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

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

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

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

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

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