Force, Motion & Gravity MCQs with Answers

A small and a large raindrop are falling through air. Which of the following statements is correct?

• A.The small drop moves faster
• B.Both fall at the same speed
• C.The large drop moves faster
• D.Their speeds keep fluctuating randomly

A body is moving upward with a velocity of 500 m/s, what will be the maximum height attained? (Take g = 9.8 m/s²)

• A.12.7 km
• B.25.5 km
• C.5.1 km
• D.10.2 km

When flowing water enters the constriction of a horizontal pipe, the water's ?

• A.Speed increases and pressure decreases
• B.Speed decreases and pressure increases
• C.Speed and pressure both increase
• D.Speed and pressure both decrease

Past Paper MCQ

The weight of an object at the center of the earth of radius R is ?

• A.Infinite
• B.Same as on the surface
• C.Maximum
• D.Zero

In a dryer, water is pushed out of wet clothes due to?

• A.Lack of centripetal force
• B.Centrifugal force
• C.Gravitational force
• D.Frictional force

The formula of Pressure, P = ?

• A.F + A
• B.F × A
• C.A/F
• D.F/A

To find the orbit of a satellite, which of the following is NOT required?

• A.Mass of the planet
• B.Gravitational constant
• C.Size of satellite
• D.Distance from the planet's center

The vertical and horizontal components of the projectile motion are

• A.Independent of each other
• B.Dependent on each other
• C.Always equal in magnitude
• D.Inversely proportional to each other

In space, far from massive objects like the moon, earth or sun, gravity will be ?

• A.Maximum
• B.Half of Earth's gravity
• C.Same as on Earth
• D.Zero

The formula for gravitational acceleration at height h above the Earth's surface is

• A.gₕ = g × R / (R + h)
• B.gₕ = g × (R + h) / R
• C.gₕ = g × (R / (R + h))²
• D.gₕ = g × (R - h) / R