QUIZ IN SCIENCE 9

Which of the following is composed of two linear motions of a projectile?

• Vertical and Curvilinear motion

• Vertical and Circular Motion

• Horizontal and Vertical Motion

• Horizontal and Circular Motion

What do you call the path followed by a projectile?

• Project

• Projectile

• Target

• Trajectory

What force enables objects to fall on to the ground?

• Frictional Force

• Magnetic Force

• Gravitational Force

• Tension Force

What is the shape of the trajectory of a projectile?

• Elliptical

• Parabolic

• Circular

• Hyperbolic

What is referred to an object that is given an initial velocity and is then acted solely upon by gravitational force?

• Project

• Projectile

• Target

• Trajectory

Which of the following describes momentum?

• Mass times its velocity

• Force times the time interval

• Force times its acceleration

• Mass times its acceleration

What is impulse?

• The change in volume of an object

• The change in momentum of an object

• The original momentum of an object

• The force applied to an object for a period of time

What is the impulse of an object moving with a CONSTANT MOMENTUM?

• 0

• 1

• The same with momentum

• None of the above

Which of the following is used to express the unit of energy?

• Watt

• Joule

• Coulomb

• Kilowatt hour

What form of energy is associated with motion?

• Chemical Energy

• Potential Energy

• Sound Energy

• Kinetic Energy