Definition of Force

Q.

When a horse pulls a cart, the force which is responsible for the movement of cart is:

1. the force of the horse on the cart

2. the force of the ground on the horse

3. the force of the ground on the cart

4. the force of the horse on the ground

Q. A book is at rest on a table. It is exerting a force of $10N$ on the table. The table will exert force of ________ on the book.

1. $12N$
2. $10N$
3. $8N$
4. $20N$

Q. In the figure, two boys A and B are shown applying force on a block. If the block moves towards B, which one of the following statements is correct?

1. Magnitude of force applied by A is smaller than that of B.
2. Magnitude of force applied by A is greater than that of B.
3. Magnitude of force applied by A is equal to that of B.
4. Net force on the block is towards A.

Q.

An inclined plane acts as a force multiplier. Explain?

Q. What is the S.I unit of force?

1. Pascal
2. Newton
3. Joule
4. kilogram

Q.

Are these two forces equal ? (1 mark)

Q. A force is applied to a ball when it is:

1. kicked
2. pushed
3. thrown
4. stared upon

Q. Which of the following quantities are required to define a force?

1. Area on which the force is being applied.
2. Magnitude of the force being applied.
3. Direction in which the force is being applied.
4. Mass of the object on which the force is being applied.

Q. A body is at rest on the surface of the earth. Which of the following statements is correct?

1. Only weight of the body acts on it.
2. Net downward force is equal to the net upward force.
3. There is no gravitation to pull it down.
4. No force is acting on the body.

Q.

A box is at rest on a smooth surface. Two friends are pushing it in opposite directions as shown below. Choose the correct option.

1. Net force is zero.
2. Net force is $3N$ in the right direction.
3. Net force is $17N$ in the left direction.
4. Net force is $3N$ in the left direction.

Q. Two opposite ends of a cart are attached to two horses respectively. The two horses pull the cart in opposite directions, but it is observed that the position of the cart does not change. What can be the possible explanation?

1. The net force acting on the cart is zero.
2. The direction of the net force acting on the cart is in the vertical direction.
3. The net force acting on the cart is positive.
4. The net force acting on the cart is negative.

Q.

SI unit of force is__________.

Q.

A block kept at rest on a horizontal table is pushed by two horizontal forces, one towards north and other towards south, which are equal in magnitude. What can be said about the motion of the block?

1. The block will remain stationary.
2. The block will move upwards.
3. The block will move towards east.
4. The block will move towards west.

Q. Which force is directly responsible for slowing down of vehicles when we apply brakes?

1. Frictional force
2. Gravitational force
3. Magnetic force
4. Muscular force

Q.

A force is applied to a ball when it is:

1. All of the above.
2. Kicked
3. Pushed
4. Thrown