force physics science questions with pictures

#Force physics science questions with pictures pdf

The final result of which is increase of pressure in case 1 (hammering a sharp pin) compared to case 2 (hammering a blunt pin) Pressure exerted by liquids and gases This is possible because area at the end of sharp pin is smaller than area at the end of blunt pin. It is easier to hammer a sharp pin respective to a blunt pin. AnswerĬutting and piercing tools have blunt edges.The above formula, it is clear that if the area on which force is acting AnswerĪ piece of rubber regains its shape when force is removed. Answerįluids exert pressure on the walls of their container. AnswerĪn apple from a tree falls on the ground due to the force of gravity. AnswerĪt least two objects must interact for a force to come into play. Answerįorce can change the shape of an object. To move an object faster it has to be pushed or pulled repeatedly. Muscular force is also known as contact force. Answerįorce of gravity is a contact force. AnswerĪtmospheric pressure is less at higher altitudes.

Answerįorce cannot change the speed of an object. AnswerĪ force can change the state of motion of an object. Pressure does not depend on area of contact. Answerįorce applied on an object in opposite directions add to one another. AnswerĪ drinking straw works on the principle of ……………………. The pressure exerted by a liquid ……………………. The wear and tear in the machine parts is due to ……………………. Answerįorce acting on a body can change its ……………………. is measured by an instrument called barometer. Answerįorce exerted by magnet is called ………………. Answerįorce of friction is an example of ………………. The envelop of air all around us is called ………………. force is the force resulting due to the action of muscles. The strength of a force is usually expressed by its ……………….

What is the cause of change in the state of motion of an object? The pressure of the water at the bottom of the pond is than at the surface.Ī body is said to be under balanced forces when the resultant of all the forces applied is Which force causes a charged balloon to attract another balloon?Īs we go to the higher altitudes, the atmospheric pressure Which of the following exerts gravitational force? Which force is being applied by a vendor when he is pushing the pushcart? The pressure exerted by the brick on the table will be Which one of the following forces is a contact force?Ī brick is kept in three different ways on a table as shown in given figure. (d) either a magnetic or an electrostatic force AnswerĪnswer: (d) either a magnetic or an electrostatic force (d) Pressure at A < Pressure at B < Pressure at C AnswerĪnswer: (d) Pressure at A < Pressure at B < Pressure at C (b) Pressure at A = Pressure at B = Pressure at C (a) Pressure at A > Pressure at B > Pressure at C Which of the following statements is correct about pressure of water? The force responsible for this isĪ container is filled with water as shown in the given figure. When the hammer strikes the gong of an electric bell, which of the following force is responsible for the movement of hammer?ĭuring dry weather, while combing hair, sometimes we experience hair flying apart. The strength of force is expressed by itsĪnswer: (c) Both by the state of rest or motion When two forées act in opposite directions, then net force acting is theĪnswer: (b) difference between two forces AnswerĪnswer: (b) Magnitude of force applied by A is smaller than that of B. (d) Magnitude of force applied by A is equal to that of B. (b) Magnitude of force applied by A is smaller than that of B. (a) Magnitude of force applied by A is greater than that of B. If the block moves towards the boy A, which one of the following statements is correct?

Two boys A and B are applying force on a block. The force exerted by our muscle is called The force exerted by a charged body on another charged or uncharged body is called The force exerted by the earth to pull the object towards itself is called The pressure which is exerted by air around us is known asĪ exerted by an object on another is a force. Force and Pressure Class 8 MCQs Questions with Answers Refer to the Force and Pressure Class 8 MCQs Questions with Answers here along with a detailed explanation. Practice MCQ Questions for Class 8 Science with Answers on a daily basis and score well in exams.

#Force physics science questions with pictures pdf

We have compiled the NCERT MCQ Questions for Class 8 Science Chapter 11 Force and Pressure with Answers Pdf free download covering the entire syllabus.