# NSO Level 1- Science Olympiad (SOF) Class 8: Questions 797 - 801 of 1175

Access detailed explanations (illustrated with images and videos) to 1175 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 450.00 -OR-

## Question 797

### Question

MCQ▾

In the figure the friction experienced on the wheels is called

### Choices

Choice (4)Response

a.

Rolling friction

b.

Static friction

c.

Sliding friction

d.

None of the above

## Question 798

### Question

MCQ▾

It is easy to use a crowbar to move a heavy log than to drag it by tying with a rope. The explanation of this statement is

### Choices

Choice (4)Response

a.

Static friction is greater than sliding friction

b.

Static friction is less than rolling friction

c.

Sliding friction is greater than rolling friction

d.

Question does not provide sufficient data or is vague

## Question 799

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

Universal gravitation

b.

Magnetic force

c.

Earths gravitation

d.

Frictional force

## Question 800

### Question

MCQ▾

Identify the type of force applied in these case:

The force applied by an obstacle on the path of a moving body is called

### Choices

Choice (4)Response

a.

Gravitation

b.

Contact force

c.

Friction

d.

Question does not provide sufficient data or is vague

## Question 801

### Question

MCQ▾

In the given figures, the effect of force is

### Choices

Choice (4)Response

a.

Change direction

b.

Change shape

c.

Start motion

d.

Change speed

Developed by: