An object of mass 3 kg is at rest. Now a force of \(\vec F=6t^2\hat i+4t\hat j\) is applied on the object, then the velocity of object at t = 3 second is _______________.

The displacement of the particle along a straight line at time t is given by X = a + bt + ct² where a, b, c are constants. The acceleration of the particle is ______________.

The slope of the position-time graph will give ______________.

A particle moves in a circular path of radius 2 cm. If a particle completes 3 rounds, then the distance and displacement of the particle are _____________.

Twelve forces each of magnitude 10N acting on a body at an angle of 30° with other forces then their resultant is __________.

If a body moving in a circular path with uniform speed, then _____________.

If two vectors \(\vec A\) and \(\vec B\) form adjacent sides of parallelogram, then the magnitude of \(|\vec A\times \vec B|\) will give _______ of parallelogram.

The vector product of any two vectors gives a ______________.

The scalar product of two vectors will be minimum. When \(\theta\) is equal to _______________

If the percentage error in the measurement of mass and momentum of a body are 3% and 2% respectively, then maximum possible error in kinetic energy is ______________

A balloon is rising vertically upwards with uniform acceleration of 15.7 m^-2. A stone is released from it at one time. Another stone is released from the balloon 4s later. The distance between the two stones 6 seconds after the first stone is released is ________________.

A body of mass 'm' rests on a horizontal plane. It the angle of friction is ፀ, the least force required to move the body along the plane is (g = acceleration due to gravity).

The velocity-time graph of a particle moving in a straight line is given in the figure. The acceleration of the particle at time t = 9s is

A passenger in the moving train tosses a coin. If the coin falls behind him, train must be moving with _____________.

Retardation means ____________.

When a body moving in circular path is subjected to a force acting towards the centre of its path it possess _______________.

Identify the correct statement ____________.

When two surfaces are coated with a lubricant, then they ______________.

A body of imparted motion from rest to move in a straight line. If it is then obstructed by an opposite force, then ______________.

According to the conservation of linear momentum ________________.

The sum of the numbers 436.32, 227.2 and 0.301 in appropriate significant figure is _____________.

Three blocks of masses 2 kg, 3 kg and 5 kg are connected to each other with light string & then placed on a frictionless surface. The system is pulled by a force F = 10N, then tension T₁ is ______________.
 

A ship of mass 3\(\times\) 10⁶ kg initially at rest is pulled by a force of 6 \(\times\) 10⁴ N through a distance of 4m. The speed of the ship is (Assume resistive of water is negligible)

The horizontal range of a projectile fired at an angle of 15° is 50 m. If it is fired with the same speed at angle of 45°, its range will be

Two blocks of masses m and 2m are placed on a smooth horizontal surface as shown. In the first case only a force F₁ is applied from the left. Later only a force F₂ is applied from the right. If the force acting at the interface of the two blocks in the two cases is same, then F₁ :F₂ is