Mcq 5gv3d

Force and Pressure (MCQs) Force and Pressure

Q1: Opening a door is an example of ._______ (a) force (b) Non force (c) Spring force (d) Magnetic force Q2: What is the cause of change in motion or change in the state of motion? (a) Pressure (b) Atmospheric Pressure (c) Friction (d) Force

Q3: A charged balloon attaches to a wall because of ______ (a) Muscular force (b) Electrostatic force (c) Magnetic force (d) Gravitational force Q4: The unit of force is _______ (a) Newton (b) Dyne (c) kg. weight (d) All of these

Force and Pressure (MCQs) Q5: What is force? (a) Push (b) Pull (c) both a and b (d) None of these Q6: A body is said to be under balanced forces when the resultant force applied on that body is_____ (a) One (b) Zero (c) Infinite (d) None of these Q7: The ratio of force, acting perpendicular to the area, on which it acts is known as ________. (a) Force (b) Friction (c) Presuure (d) Density Q8: The pressure of the water at the bottom of the pond is _______ at the surface of the pond. (a) Lower than (b) Higher than (c) Same (d) either lower or higher Q9: As we go to the higher altitude the atmospheric pressure ________. (a) Increases (b) Decreases (c) Remains same (d) Cannot say

Force and Pressure (MCQs) Q10: The force involved in falling an apple from a tree is: (a) Magnetic force (b) force (c) Electrostatic force (d) Gravitational force Q11: SI unit of pressure is A. Ohms B. Pascals C. Joules D. Watts Answer B MCQ. Pressure in liquids is defined by formula A. p = h/Pg B. p = P/hg C. p = g/Ph D. p = hPg Answer D MCQ. In Physics, pressure is defined as A. P = A x F B. P = A/F C. P = F/A D. P = F/d Answer C

Force and Pressure (MCQs) MCQ. Atmospheric pressure is measured by A. Mercury manometer B. Mercury barometer C. Mercury galvanometer D. Mercury Thermometer Answer B MCQ. Pressure in gases is due to A. Bombardment of molecules on walls of container B. Bombardment of molecules on base of container C. Collision of molecules in container D. The atmosphere Answer A MCQ. A boy of mass 50 kg runs with a force of 100 N, his acceleration would be A. 5000 ms-2 B. 50 ms-2 C. 150 ms-2 D. 2 ms-2 Answer C MCQ. Newton first law is also known as A. Law of inertia B. Law of momentum C. Law of forces

Force and Pressure (MCQs) D. Law of zero Answer A MCQ. Formula of force is A. F = P/A, where P is pressure and A is area B. F = ms, where m is mass and s is speed C. F = ma, where m is mass and a is acceleration D. F = m/v, where m is mass and v is velocity Answer C MCQ. Weight is a/an A. force B. base quantity C. scalar quantity D. SI unit Answer A MCQ. A person of mass 50 kg flies to moon, his weight at moon would be (earth's gravity = 10 ms-2, moon's gravity = 1.6 ms-2) A. 31.25 N B. 500 N C. 51.6 N D. 80 N Answer D

During dry weather, rubbing a plastic scale with dry hair, attracts small pieces of paper. This is due to

Force and Pressure (MCQs) Answer : gravitational force electric force frictional force muscular force

Question : A batsman hits a cricket ball which then rolls on the level ground. After covering a short distance the ball comes to rest. The ball stops due to Answer : magnetic force frictional force gravitational force muscular force

Question : Which of the following is an example of force ? Answer : Magnetic force Muscular force Electric force Gravitational force

Question : Fruits falling from trees is an example of

Force and Pressure (MCQs) Answer : gravitational force muscular force frictional force electric force

Question : When two forces, applied on an object, are equal and opposite, then these forces Answer : may move the object. may stop a moving object. may move the object and also cause a change in its shape. do not move the object but may cause a change in its shape.

Force and Pressure (MCQs) Answers: 1: (a) force 2: (d) Force 3: (b) Electrostatic force 4: (d) All of these 5: (c) both a and b 6: (b) Zero 7: (c) Presuure 8: (b) Higher than 9: (b) Decreases 10: (d) Gravitational force