# NSO Level 1- Science Olympiad (SOF) Class 9: Questions 1051 - 1057 of 1128

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### Passage

Direction: A force of is applied towards right direction to a box to move it across a rough surface with an acceleration of . This statement is diagrammatically represented below. Observe the diagram carefully and answer the questions

## Question 1051 (2 of 3 Based on Passage)

### Question

MCQ▾

Normal force applied by the earth on the object

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 1052 (3 of 3 Based on Passage)

### Question

MCQ▾

The frictional force acting on it would be

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 1053

### Question

MCQ▾

Earth attracts all objects towards its centre with a force. This force is called

### Choices

Choice (4)Response

a.

Gravitational force of earth

b.

Universal gravitational force

c.

Gravitational force

d.

Question does not provide sufficient data or is vague

## Question 1054

### Question

MCQ▾

In the equation , the value of is

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

### Passage

A ball is thrown vertically upwards with a velocity of

## Question 1055 (1 of 2 Based on Passage)

### Question

MCQ▾

The time taken for the ball to reach maximum height would be

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 1056 (2 of 2 Based on Passage)

### Question

MCQ▾

The maximum height reached by the ball would be

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 1057

### Question

MCQ▾

Which of the following statement is not a part of Newton՚s Universal Law of Gravitation?

### Choices

Choice (4)Response

a.

Every object in the universe attracts every other object with a force.

b.

The force of attraction is inversely proportional to the square of the distance between them.

c.

The force of attraction is directly proportional to the product of the masses.

d.

All a., b. and c. are correct

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