3. The concept of 'force' is a quantitative explanation of an interaction that can
cause a change in the state of motion of an object. It is a vector quantity, which
has both a magnitude and a direction. The net force acting upon an object is
equal to the rate at which its momentum changes with time. The required force
is directly proportional to the mass of the object has to have the same value
for all such objects. The force of friction always tends to oppose the relative
motion between two given objects.
Enlist any two non-contact forces.
(b) Write one cause due to which force of friction comes into existence.
(c) What happens to the speed of an object when applied force acts on it in
the direction of its motion ?
(d) Name the form in which the energy required to overcome friction get
(mainly) converted,
Answers
Answer:
A force is that which can cause an object with mass to change its velocity, i.e., to accelerate, or which can cause a flexible object to deform. Force can also be described by intuitive concepts such as a push or pull. A force has both magnitude and direction, making it a vector quantity.
Explanation:
Answer:
A force is that which can cause an object with mass to change its velocity, i.e., to accelerate, or which can cause a flexible object to deform. Force can also be described by intuitive concepts such as a push or pull. A force has both magnitude and direction, making it a vector quantity.
Write one cause due to which force of friction comes into existence.
Scientists are not completely sure what causes friction; however, it is thought to be caused by the interactions between the tiny bumps on surfaces as they rub against each other. The bumps on each surface bend and exert a force on each other making it hard for the surfaces to slip over each other.
What happens to the speed of an object when an applied force acts on it in
the direction of its motion?
If the force applied on the object is in the direction of its motion, the speed of the object increases. If the force is applied in the direction opposite to the direction of motion, then it results in a decrease in the speed of the object.
Name the form in which the energy required to overcome friction get
(mainly) converted.
The Energy required to Overcome the Friction is mainly converted into HEAT ENERGY because, Friction itself is a force and not energy.