Force Test - 3...

A body is moving downwards. A set of forces acts on it as shown in the figure.



Which of the following statements is correct?

A block is subjected to two horizontal and two vertical forces as shown in the figure. In which direction will it be displaced?

Two forces of 3N and 4N act on a body to the left, while another force of 7N acts on it to the right. What is the resultant of the forces?

If the sum of all the forces acting on a moving object is zero, the object will

A bucket containing water is rotated in a vertical circle at a high speed. What will happen to the water when the bucket is upside down at the highest point?

Unless an external force is applied, an object cannot change its state of rest or motion due to

A force of 20 N acts upon a body whose weight is 9.8 N on the earth. What is the acceleration produced in the body?

A force of 250 N is applied on an object to produce an acceleration of 2 m/s². What is the mass of the object?

Two forces F₁ and F₂ act on two bodies A and B of masses 'm' and '2m', respectively. What is the ratio of accelerations produced?

An object of mass 50 g is initially moving with a velocity of 30 ms^-1. On applying a constant force on the object for 3.0 s, it acquires a velocity of 60 ms^-1. What is the magnitude of the force applied?

What is the change in momentum of an object if a force equal to 'Z' newtons is applied on it for 3 seconds?

What amount of force is applied on a body of mass `m` whose velocity changes from `u` to `3u` in 1 second?

The flying of birds is a consequence of Newton's

According to Newton's Third Law of Motion, action and reaction always act on

Study the figures shown below and calculate the mass of ball A.

Two bodies A and B collide. No external force acts on the bodies during collision. What is the ratio of the masses of body A and body B, if the velocities of the bodies before and after the collision are as given in the table below?

Two objects, each of mass 3 kg are moving with the same velocity of 6 m/s in the same straight line but in opposite directions. They collide and stick together. What is the velocity of combined objects after the collision?

Two balls A and B of masses 'm' and '2m' are moving in the same direction with velocities 'u' and '2u', respectively. If they collide and stick together, what will be the velocity of the combined balls after the collision?

The momentum of a ball moving with a velocity of 2 m/s is 4 kg ms^-1. What is the mass of the ball?

The ratio of momenta of two bodies is 1 : 2 and the ratio of their masses is 2 : 1. What is the respective ratio of their velocities?