Force, Motion & Gravity MCQs with Answers

The value of gravitational acceleration at poles is ?

• A.Zero
• B.Lower
• C.Higher
• D.Same as at equator

While traveling in a bus and the driver applies sudden brakes, your body will try to _?

• A.Fall forward
• B.Fall backward
• C.Remain stationary
• D.Move sideways

The drag force on a small spherical body moving through a viscous fluid is given by?

• A.F = ηA(dv/dx)
• B.F = 4/3 πr³ρg
• C.F = ½ρv²ACd
• D.F = 6πηrv

Gravitation force is of the medium between the objects.

• A.Dependent
• B.Independent
• C.Partially dependent
• D.Inversely proportional

The motion repeated in periods?

• A.Linear motion
• B.Periodic motion
• C.Random motion
• D.Rotational motion

How can the motion of a baseball in space be determined according to the theory of relativity?

• A.By measuring its absolute speed
• B.By comparing its position relative to another object
• C.By calculating its mass and energy
• D.By observing its internal atomic clock

A man throws a ball vertically upward while standing in a train moving with uniform velocity. The ball will fall?

• A.Behind him
• B.In front of him
• C.Back into his hand
• D.Away from the train

Which of the following is a vector quantity?

• A.Speed
• B.Velocity
• C.Distance
• D.Mass

The dimension formula of angular momentum is?

• A.[M L² T⁻²]
• B.[M L T⁻¹]
• C.[M L² T⁻¹]
• D.[M L T⁻²]

If a satellite is orbiting as close to the earth's surface as possible, ?

• A.Its kinetic energy will be minimum
• B.Its potential energy will be maximum
• C.Its total mechanical energy will be zero
• D.Its kinetic energy will be maximum