Tag: introduction to force

Questions Related to introduction to force

Identify the action involved when a north pole of magnet brought near another north pole of magnet it repels? 

  1. Pushing

  2. Throwing

  3. Pulling

  4. Lifting


Correct Option: A
Explanation:

When similar poles of magnets are brought near each other, they tend to repel i.e they push each other away.

Identify the type of force involved when loaded cart is moved.

  1. Lifting

  2. Pulling

  3. Running

  4. Reading


Correct Option: B
Explanation:

To move a loaded cart we have to pull it . Hence action involved is as pulling.

Which of the following actions can be grouped as push?

a. A cricket ball hit by a batsman.
b. A football player kicking the ball.
c. A girl is shutting the open door of a refrigerator. 

  1. Only a

  2. Only a and b

  3. only b and c

  4. a, b and c


Correct Option: D
Explanation:

All the above examples can be grouped as push. As force is applied to move object away from the body.

Identify the action that can cause motion of a book placed on a table.

  1. Pulling

  2. Pushing

  3. Lifting

  4. All of the above


Correct Option: D
Explanation:

The action involved in moving a book placed on a table can be pulling, pushing or lifting for which force is required.

Which of the following actions can be grouped as pull:

a. Moving a loaded cart
b. Applying brakes while driving car
c. Drawing a bucket of water from a well

  1. Only a

  2. a and b

  3. b and c

  4. a and c


Correct Option: D
Explanation:

For moving a loaded cart  and drawing a bucket of water from a well, the action involved is pulling hence can be grouped as Pull.

Fill in the blanks:

An interaction of one object with another object results in a _________ between the two objects.

  1. pressure

  2. attraction

  3. force

  4. repulsion


Correct Option: C
Explanation:

When one object interacts with another object they exert force on each other, either towards or away from each other.

Identify the action involved in opening or shutting a door.

  1. Pulling

  2. Pushing

  3. Both a and b

  4. None of the above


Correct Option: C
Explanation:

To open or to shut a door the action of pulling and pushing can be applied.

Identify the action involved when a magnet attracts a piece of iron towards it.

  1. Pushing

  2. Pulling

  3. Flying

  4. Picking


Correct Option: B
Explanation:

When a magnet is placed near to the pieces iron, it pulls the pieces of iron towards itself due to it magnetic field action involved is pulling.

Fill in the blanks:

A push or a pull on an object are types of ________.

  1. pressure

  2. attraction

  3. repulsion

  4. force


Correct Option: D
Explanation:

Force is required to move a stationary object, to stop a moving object, etc. The phenomenon required to push or to pull on object is force.

Fill in the blanks:
Force comes into action when ________.

  1. objects interact.

  2. objects do not interact.

  3. object move.

  4. None of these


Correct Option: A
Explanation:

When two body interact with each other then momentum of body will change that change in momentum of the body is effect of mutual force between them.