Force and Pressure Test

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Force and Pressure Test - 24

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Weekly Quiz Competition

Question 1
1 / -0

Attraction and repulsion between charged objects are examples of _______ force.

A
Non-contact

B
Contact

C
Either Contact or Non-contact

D
Neither Contact nor Non-contact

Solution

The attraction and repulsion between charged objects happen due to the action of electrostatic forces. Electrostatic force can act between bodies not in contact. So, attraction and repulsion between charged objects are examples of non-contact force.
Question 2
1 / -0

Which of the following is an example of muscular force?

A
Two magnets attracting each other.

B
An apple falling from a tree.

C
Charges produced by friction.

D
None of these

Solution

Two magnets attracting is an example of magnetic force.
An apple falling from a tree is an example of gravitational force.
The charge produced by friction is an example of frictional force.
Question 3
1 / -0

Which of the following cases represent that a force can change the shape of an object?

A
A man trying to stop a sliding car.

B
A weight put at the centre of a metal scale placed between two bricks.

C
Two girls pulling each other.

D
A man pulling a cow with a rope around his neck.

Solution

A weight put at the center of a metal scale placed between two bricks will bend the scale from the middle.
Question 4
1 / -0

In which of the following cases, a force is not being applied?

A
A man standing behind a stationary car.

B
A car being pushed by a man.

C
A man trying to stop a sliding car.

D
A man standing on a car.

Solution

For pushing a car, a force is required in the direction of motion of the car.
In trying to stop a sliding car, a force is required against the direction of motion of the car.
A man standing on the car applies the force of weight on the car.
But, to stand behind a stationary car, no net force needs to be applied on the car.
Option A
Question 5
1 / -0

Fill in the blank.
____ exert pressure on the walls of the containers.

A
Only gases

B
Only liquids

C
Gases and liquids

D
Neither gases nor liquids

Solution

Gases and liquids, in a word, fluids exert pressure on the walls of the containers.
Question 6
1 / -0

Under action of which force does water flow from an open tap towards ground?

A
Electrostatic force

B
Magnetic force

C
Gravitational force

D
None of the above

Solution

Objects tend to move downwards to the earth because of gravity of the earth. This force, exerted on the object is known as force of gravity.
The force of gravity acts on all objects. The force of gravity acts on all of us all the time without our being aware of it. Water begins to flow towards the ground as soon as we open a tap because of gravitational attraction by earth. Water in rivers flows downward due to the force of gravity.
Question 7
1 / -0

A force acts between two bodies if:

A
both the bodies are pushing each other.

B
both the bodies are pulling each other.

C
either of the two bodies are pushing or pulling the other body.

D
all of these

Solution

Force is kind of a push or a pull. So, in all the above cases there is a force acting between two bodies.
Question 8
1 / -0

What is muscular force?

A
Force due to gravity

B
Force due to charges

C
Force resulting due to action of muscles

D
Force resulting due to rubbing

Solution

Force resulting due to action of muscles is known as muscular force.
For example, lifting, getting up from a seat, crossing a leg, etc.
Question 9
1 / -0

When a ball is hit by a bat, forces acting on the ball are

A
muscular force

B
gravitational force

C
both A and B

D
neither A nor B

Solution

Being hit by a bat, muscular force acts on the ball through the bat. And, it is also in gravitational field so traditional force also act on It. So, the forces acted upon the boll are both muscular and gravitational force.
Question 10
1 / -0

When you ride a cycle, force(s) acting on the cycle is/are

A
muscular force

B
force of friction

C
gravitational force

D
all of the above

Solution

To ride a cycle, you have to apply muscular force on the pedals of the cycle. The tyres of the moving cycle are acted upon by the force of friction of the road. And, all objects on the earth are acted upon by the gravitational force towards the centre of the earth.

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Re-Attempt Weekly Quiz Competition

Force and Pressure Test - 24

Result

Force and Pressure Test - 24

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SHARING IS CARING

Question 1

Non-contact

Contact

Either Contact or Non-contact

Neither Contact nor Non-contact

Solution

Question 2

Two magnets attracting each other.

An apple falling from a tree.

Charges produced by friction.

None of these

Solution

Question 3

A man trying to stop a sliding car.

A weight put at the centre of a metal scale placed between two bricks.

Two girls pulling each other.

A man pulling a cow with a rope around his neck.

Solution

Question 4

A man standing behind a stationary car.

A car being pushed by a man.

A man trying to stop a sliding car.

A man standing on a car.

Solution

Question 5

Only gases

Only liquids

Gases and liquids

Neither gases nor liquids

Solution

Question 6

Electrostatic force

Magnetic force

Gravitational force

None of the above

Solution

Question 7

both the bodies are pushing each other.

both the bodies are pulling each other.

either of the two bodies are pushing or pulling the other body.

all of these

Solution

Question 8

Force due to gravity

Force due to charges

Force resulting due to action of muscles

Force resulting due to rubbing

Solution

Question 9

muscular force

gravitational force

both A and B

neither A nor B

Solution

Question 10

muscular force

force of friction

gravitational force

all of the above

Solution

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