Quiz on 2D and 3D Motion

What is the acceleration due to gravity in the vertical direction during projectile motion?

• 8.5 m/s²

• 9.8 m/s²

• 10 m/s²

• 9.0 m/s²

In uniform circular motion, what remains constant?

• Direction

• Speed

• Velocity

• Acceleration

What is the trajectory of a projectile in 2D motion?

• Straight line

• Circle

• Ellipse

• Parabola

Which of the following is a type of non-contact force?

• Frictional Force

• Gravitational Force

• Normal Force

• Tension Force

What does angular displacement measure?

• Acceleration of rotation

• Speed of rotation

• Angle of rotation

• Distance traveled

What is the formula for centripetal acceleration?

• a = v²/r

• a = r/v

• a = v/r

• a = mv

Which law states that for every action, there is an equal and opposite reaction?

• Second Law of Motion

• Third Law of Motion

• Law of Universal Gravitation

• First Law of Motion

What is the primary factor that affects the range of a projectile?

• Angle of projection

• Initial velocity

• Air resistance

• Mass of the projectile

What type of motion occurs when an object moves along a circular path at a constant speed?

• Uniform circular motion

• Non-uniform circular motion

• Projectile motion

• Linear motion

What is the unit of weight?

• Joule

• Kilogram

• Newton

• Pound