Force, Motion & Gravity MCQs with Answers

Inertial mass and gravitational mass are?

• A.Different
• B.Identical
• C.Inversely proportional
• D.Unrelated

In every instant of time, wavelength associated with a freely falling body:

• A.Remains constant
• B.Increases
• C.Decreases
• D.First increases then decreases

Past Paper MCQ

The product of mass and velocity is known as _?

• A.Force
• B.Momentum
• C.Acceleration
• D.Impulse

Ten identical steel balls, each with a mass of 27 g, are immersed in a measuring cylinder initially containing a certain volume of water. The water level rises by 50 cm³ after immersing the balls. What is the density of the steel?

• A.5.4 gm/cm³
• B.13.5 gm/cm³
• C.2.7 gm/cm³
• D.9.0 gm/cm³

Which of these is a scalar quantity?

• A.Acceleration
• B.Velocity
• C.Force
• D.Speed

When a body traverses at the center of a circle in two turns (rev) is?

• A.Zero work
• B.No displacement
• C.No distance covered
• D.All of these

According to Newton's Law of Motion, the mass of an object is a quantitative measure of its ?

• A.Acceleration
• B.Inertia
• C.Momentum
• D.Weight

At which place the motion of a simple pendulum will be slowest?

• A.At the poles
• B.At the equator
• C.At the center of the Earth
• D.At the peak of Mount Everest

What is the law that states "an object at rest will remain at rest, and an object in motion will continue to move with a constant velocity, unless acted upon by an external force"?

• A.Newton's First Law
• B.Newton's Second Law
• C.Newton's Third Law
• D.Law of Conservation of Momentum

A feather and a lead ball are dropped from rest in vacuum on the moon. The acceleration of the feather is ?

• A.More than that of the lead ball
• B.Less than that of the lead ball
• C.The same as that of the lead ball
• D.Zero, because there is no gravity on the moon