1 Mass of a body is defined as: A Force acting on the body B Quantity of matter in the body C Weight of the body D Volume of the body
3 Mass of a body remains: A Same everywhere B Different on Moon C Zero in space D Dependent on gravity
4 Inertia is the property of a body due to which it: A Moves faster B Changes shape C Resists change in its state D Stops moving
11 Gravitational field strength is defined as: A Force per unit mass B Mass per unit force C Energy per unit mass D Weight per unit volume
13 Value of gravitational field strength on Earth is approximately: A 1 N/kg B 4.9 N/kg C 9.8 N/kg D 98 N/kg
14 Which instrument is used to measure mass? A Spring balance B Force meter C Electronic balance D Thermometer
15 Which instrument is used to measure weight? A Electronic balance B Beam balance C Spring balance D Stopwatch
17 Force that acts only when bodies are in contact is called: A Gravitational force B Magnetic force C Contact force D Electric force
18 Which of the following is a contact force? A Gravitational force B Friction C Magnetic force D Electric force
19 Force that acts without physical contact is called: A Contact force B Applied force C Non-contact force D Frictional force
23 Free body diagram represents: A Motion of body B All forces acting on a body C Shape of body D Velocity of body
25 Newton’s First Law of Motion is also called: A Law of acceleration B Law of inertia C Law of action-reaction D Law of gravitation
26 According to Newton’s First Law, a body remains at rest if: A Net force is zero B Force is applied C Mass is large D Velocity is high
27 Newton’s First Law applies to bodies in: A Only rest B Only motion C Rest or uniform motion D Accelerated motion only
28 Net force zero means body has: A Increasing speed B Decreasing speed C Constant velocity D Changing direction
29 Effect of force on velocity can be: A Change in speed B Change in direction C Change in both D No change
30 A force can change the direction of velocity as in: A Straight line motion B Circular motion C Rest position D Equilibrium
33 If net force on a body is not zero, body will: A Remain at rest B Move with constant velocity C Accelerate D Stop moving
35 Mass measured by electronic balance depends on: A Gravity B Spring constant C Comparison with standard mass D Temperature
36 Which force is responsible for weight? A Magnetic force B Electric force C Gravitational force D Nuclear force
39 Force is a vector quantity because it has: A Magnitude only B Direction only C Magnitude and direction D No unit
40 Which force keeps planets in their orbits? A Frictional force B Magnetic force C Gravitational force D Nuclear force
41 The tendency of a body to oppose change in motion is called: A Momentum B Force C Inertia D Velocity