FULL SOLUTIONS 2026
◉ Acceleration. Answer: the rate at which the velocity is changing.
◉ Components. Answer: two vectors at right angles that add up to
the given vector
◉ Resolution. Answer: the process of determining the components
of a vector
◉ Projectile. Answer: any object that moves through the air, space,
acted on only by gravity.
◉ Momentum. Answer: the mass of an object multiplied by its
velocity
◉ Impulse. Answer: the quantity force times time interval.
◉ The law of conservation of momentum. Answer: in the absence of
an external force, the momentum of a system remains unchanged.
, ◉ Elastic Collision. Answer: when objects collide without being
permanently deformed and without generating heat. (Bouncing
occurs)
◉ Inelastic Collision. Answer: colliding objects become distorted and
generate heat. (Objects stick together)
◉ Work. Answer: the product of the net force on an object and the
distance through which the object is moved. Unit is Joule.
◉ Power. Answer: the rate at which work is done. (work/time). Unit
is Watt
◉ Energy. Answer: the property of an object or system that enables
it to do work.
◉ Mechanical Energy. Answer: the energy due to the position of
something or the movement of something
◉ Potential Energy. Answer: energy that is stored and held in
readiness.
◉ Kinetic Energy. Answer: energy of motion.