Class 8th Science Chapter – 8 Force and Pressure
| Textbook | NCERT |
| Class | 8th |
| Subject | Science |
| Chapter | 8th |
| Chapter Name | Force and Pressure |
| Category | Class 8th Science |
| Medium | English |
| Source | Last Doubt |
| Class 8th Science Chapter – 8 Force and Pressure MCQ With Answer What is SI unit of light?, What is the SI unit of speed?, What is CGS and SI unit?, What is the unit of current?, What is SI unit of life?, What is the formula of light?, What is the symbol of speed?, How to calculate speed?, What is uniform speed?, What is 1 volt?, What is current formula?, What is unit of charge?, Which is bigger SI or CGS?, What are the units of MKS?, What are 5 units of pressure? |
Class 8th Science Chapter – 8 Force and Pressure
Chapter – 8
Force and Pressure
MCQ
| (1) Force changes the ? A. motion of body B. speed of body C. shape of body D. all of these Answer – (D) all of these |
| (2) The force exerted by a charged body on another charged or uncharged body is called ? A. gravitational force B. electrostatic force C. non-contact force D. contact force Answer – (B) electrostatic force |
| (3) Muscular force is also called __ force ? A. non-contact B. contact C. gravitational D. magnetic Answer – (B) contact |
| (4) The force exerted by the earth to pull the object towards itself is called ? A. electrostatic force B. gravitational force C. muscular force D. contact force Answer – (B) gravitational force |
| (5) A exerted by an object on another is a force ? A. Push or pull B. Contact or non-contact force C. Pressure D. Magnitude Answer – (A) Push or pull |
| (6) When two forées act in opposite directions, then net force acting is the ? A. sum of two forces B. difference between two forces C. both of these D. none of these Answer – (B) difference between two forces |
| (7) Two boys A and B are applying force on a block. If the block moves towards the boy A, which one of the following statements is correct ? A. Magnitude of force applied by A is greater than that of B. B. Magnitude of force applied by A is smaller than that of B. C. Net force on the block is towards B. D. Magnitude of force applied by A is equal to that of B. Answer – (B) Magnitude of force applied by A is smaller than that of B. |
| (8) A spring balance is used for measuring ? A. mass B. weight C. pressure D. speed Answer – (B) weight |
| (9) 1 kilogram weight is equal to ? A. 98 N B. 9.8 N C. 0.98 N D. 0.098 N Answer – (B) 9.8 N |
| (10) The force exerted by our muscle is called ? A. electrostatic force B. muscular force C. gravitational force D. non-contact force Answer – (B) muscular force |
| (11) During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is ? A. force of gravity B. force of friction C. electrostatic force D. magnetic force Answer – (C) electrostatic force |
| (12) When the hammer strikes the gong of an electric bell, which of the following force is responsible for the movement of hammer ? A. Gravitational force alone B. Magnetic force alone C. Electrostatic force alone D. Frictional force alone Answer – (C) Electrostatic force alone |
| (13) State of motion is described by ? A. Position of rest B. Position of motion C. Both by the state of rest or motion D. None of these Answer – (C) Both by the state of rest or motion |
| (14) Leaves fall down on the ground due to ? A. electrostatic force B. magnetic force C. gravitational force D. muscular force Answer – (C) gravitational force |
| (15) The strength of force is expressed by its ? A. weight B. mass C. magnitude D. longitudinal force Answer – (C) magnitude |
| (16) Which of the following exerts gravitational force ? A. Earth B. Venus C. Saturn D. All of the above Answer – (D) All of the above |
| (17) Which force always opposes motion ? A. Magnetic force B. Electrostatic force C. Frictional force D. Muscular force Answer – (C) Frictional force |
| (18) Which force is being applied by a vendor when he is pushing the pushcart ? A. Muscular force B. Magnetic force C. Frictional force D. Electrostatic force Answer – (A) Muscular force |
| (19) Which one of the following forces is a contact force ? A. Force of gravity B. Magnetic force C. Force of friction D. Electrostatic force Answer – (C) Force of friction |
| (20) Two objects repel each other. This repulsion could be due to ? A. frictional force only B. electrostatic force only C. magnetic force only D. either a magnetic or an electrostatic force Answer – (D) either a magnetic or an electrostatic force |
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