Tag: primary concept of force and energy

Quizzes (16) Questions (5)

Questions Related to primary concept of force and energy

Multiple choice physics primary concept of force and energy contact and non-contact forces comparing force in magnetic, electric and gravitational fields identifying forces

When an object is rubbed with some materials, it acquires charges and becomes ________ object.

  1. uncharged

  2. charged

  3. neutral

  4. heavy
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When object is rubbed with some materials it acquires charges. This object is called as charged object and develops electrostatic force.

Multiple choice physics primary concept of force and energy contact and non-contact forces comparing force in magnetic, electric and gravitational fields identifying forces

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

  1. Electrostatic force

  2. Magnetic force

  3. Gravitational force

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

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. 

Multiple choice physics primary concept of force and energy contact and non-contact forces comparing force in magnetic, electric and gravitational fields identifying forces

Does moon have its own gravity?

  1. No

  2. Yes

  3. Not known yet

  4. Only during full moon
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Gravity is not a property of the earth alone. Every object in the universe exerts a force on every other object. This is called gravitational force. Naturally, moon also has its own gravity.