Exploring Forces Class 8 Fill in the Blanks

Exploring Forces Class 8 Fill in the Blanks

Exploring Forces Class 8 Fill in the Blanks

Question 1.

When an object is placed in a liquid, it experiences an upward force known as............, which is responsible for whether the object sinks or floats.

Answer:

buoyant force

Question 2.

According to Archimedes' Principle, an object submerged in a fluid experience an upward force equal to the weight of the

............it displaces.

Answer:

liquid

Question 3.

Two similarly charged objects, such as balloons rubbed with wool, will ............each other due to the electrostatic force.

Answer:

repel

Question 4.

The push or pull that acts on an object to change its speed or direction is called a .............

Answer:

force

Question 5.

On the Moon, the weight of an object is approximately one-sixth of its weight on Earth due to the difference in .............

Answer:

gravitational force

Exploring Forces Class 8 True or False

Question 1.

A force is always required to change the direction of motion of an object.

Answer:

True.

Question 2.

Friction always increases the speed of an object in motion.

Answer:

False

Question 3.

Electrostatic forces can act at a distance without direct contact between objects.

Answer:

True.

Question 4.

The weight of an object is the same on the Moon as it is on Earth.

Answer:

False

Question 5.

A ball thrown upwards will eventually stop due to the force of gravity acting on it.

Answer:

True.

Exploring Forces Class 8 Match the Following

Match the type of force given in column A with the example given in column B.

Answer: