Force, Motion & Gravity MCQs with Answers

What does velocity measure in physics?

• A.Rate of change of position with time
• B.Rate of change of speed with time
• C.Total distance traveled by an object
• D.Rate of change of mass with time

In the ball and bowl system, the mean position is at ?

• A.Top of the bowl
• B.Center of bowl
• C.Edge of the bowl
• D.Outside the bowl

The strength of force is represented by its ?

• A.Direction
• B.Magnitude
• C.Velocity
• D.Acceleration

Stokes' law is applicable to which kind of particles?

• A.Large irregular particles in turbulent fluids
• B.Small spherical particles in viscous fluids
• C.Charged particles in electric fields
• D.Magnetic particles in non-viscous fluids

Formula of centripetal force is?

• A.F = mv²/r
• B.F = ma
• C.F = mv/r
• D.F = mr/v²

What is the SI unit of acceleration?

• A.m/s
• B.m/s²
• C.m²/s
• D.m·s

A ball is thrown vertically upward with a velocity of 98 m/s. If it takes 10 seconds to reach the highest point, then the acceleration of the ball is _?

• A.9.8 m/s²
• B.4.9 m/s²
• C.98 m/s²
• D.Zero

Which of the following is NOT an example of accelerated motion?

• A.A freely falling body
• B.A car moving on a circular track
• C.Horizontal component of projectile motion
• D.A swinging pendulum

A car is moving with a speed of 90 km/hr. What will be its speed in meters per second?

• A.25 m/s
• B.30 m/s
• C.20 m/s
• D.15 m/s

Who pioneered the concept of inertia that is central to Newton's First Law of Motion?

• A.Galileo
• B.Copernicus
• C.Kepler
• D.Aristotle