Force, Motion & Gravity MCQs with Answers

Past Paper MCQ

Gravity was discovered by ?

• A.Johannes Kepler
• B.Albert Einstein
• C.Galileo Galilei
• D.Isaac Newton

One revolution is the same as ?

• A.π rad
• B.2π rad
• C.π/2 rad
• D.4π rad

If two bodies A and B are moving parallel along a straight line, then the relative velocity of A with respect to B is _?

• A.V_AB = V_A + V_B
• B.V_AB = V_A - V_B
• C.V_AB = V_B - V_A
• D.V_AB = V_A × V_B

In high jump, three principles are involved: speed, strength, and ?

• A.Projectile
• B.Momentum
• C.Acceleration
• D.Friction

The magnitude of a vector is?

• A.Always positive
• B.Always negative
• C.Can be positive, negative, or zero
• D.Always zero

Newton's first law of motion is also called as?

• A.Law of inertia
• B.Law of momentum
• C.Law of acceleration
• D.Law of reaction

In the case of a thumb-pin, assuming the same force is applied at both ends, pressure is greater on ?

• A.The flat head
• B.The pointed end
• C.Both ends equally
• D.Depends on the material

The range of a projectile will be maximum if the factor sin2θ becomes _?

• A.0
• B.1
• C.0.5
• D.2

In the equation F = ma, the acceleration will be?

• A.Directly proportional to mass
• B.Inversely proportional to force
• C.Constant if force is constant
• D.Independent of both force and mass

What happens when the stress applied to the body is increased beyond the maximum value and is removed after some time? Young's modulus is defined as ?

• A.Bulk stress / Bulk strain
• B.Shear stress / Shear strain
• C.Tensile stress / Tensile strain
• D.Compressive stress / Compressive strain