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What is the cause for an object to be at rest?

A substance will exist in the liquid state only below its ______________

In which direction does the friction act, when a block is moved down the inclined plane?

Motion is measure of:

Which appropriate unit is used to measure the thickness of the thin copper wire?

Phases of the Moon occur because

If there are $10$ minor divisions between two major divisions, one major division representing $1^{\circ }C$, one minor division will be equal to:

'Induction preceded attraction'. Explain the statement.

Spot the main verb in the sentence.

Shall we make a move?

Which of the following statements is/are true?

Which of the following are battery powered electric appliances?

Refrigerator

Torch

Mobile Phone

Washing Machine

If we start observing the earth from 1st January 2001 to 1st January 2005, then it makes___ revolutions around the sun.

The time taken by the moon to complete one revolution around the earth is .

In a tug of war, when one team is pulling with a force of 100 N and the other 80 N, what is the net force?

$\text{Which of the following is correct ?}$
$\left(I\right)1millimeter=0.001meter$
$\left(II\right)1000millimeter=1meter$
$\left(III\right)1kilometer=1000meter$

Which of the following statements is correct?

A machine requires an effort of $15kgf$ for a load of $40kgf$. Find its mechanical advantage.

When a boy drops a stone from a height,

Which among the options are the simple machine found in the bicycle ?

You are given an iron strip. How will you convert it into a temporary magnet?

Why does the filament of a bulb fuse and break even if there is no oxygen to burn it?

Which star is aligned with the axis of rotation of the earth?

Select the statements that are true.

Does sound wave requires a medium for its propagation?

The figure below shows a lever in use.

(a) To which class of lever does it belong?

(b) If AB = 1m, AF = 0.4 m, find its mechanical advantage.

(c) Calculate the value of E.

Which of the following tools is used to lift one side of a car or a truck?

Why doesn't the LED bulb heat up the room

A push or pull that can move the load is ______

Question 18

Boojho kept a magnet close to an ordinary iron bar. He observed that the iron bar attracts a pin as shown in the figure.

What inference could he draw from this observation? Explain.

If the body travels $10\text{m}$ in $2\text{s}$, what is its speed in $\text{kmph}$?

From the given data, find the average speed of Jack (in km/hr).

According to conversion of units of measurement:
$5924m=\underset{–}{}$

If you hold up a mirror in a dark room, would you be able to see your reflection in the mirror? [3 MARKS]

Which of the following is used for measuring the mass of costly substances such as gold, silver, diamonds?

Convert 4 hours 45 minutes 3 seconds to seconds

Question 23

A torch is not functioning, though the contact points in the torch are in working condition. What can be the possible reasons for this? Mention any three.

Latitudes are measured in

Differentiate between shadows and images .

Please tell the answer of the above question .

When you switch on an electric bulb, it glows. Can you tell what makes it glow?

When a force acting on a body displaces it in the direction of force, the work done by the force is

A boy was playing with a spongy ball, compressing and releasing it. The work done by the boy on the ball and the ball on the boy respectively at the time of compressing is:

Image formed in a pinhole camera is inverted. Why?

Identify the energy conversion taking place in the following device.

The dark region formed on a screen when light falls on a opaque object is called ___.