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PPT: Forces and Movement | Year 2 Science IGCSE (Cambridge) - Class 2 PDF Download

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 Page 1


A force is an interaction 
between objects that causes 
them to move.
Forces can be a push or a 
pull.
Page 2


A force is an interaction 
between objects that causes 
them to move.
Forces can be a push or a 
pull.
Push Forces
Page 3


A force is an interaction 
between objects that causes 
them to move.
Forces can be a push or a 
pull.
Push Forces
 A push force 
moves objects 
away from you.
Page 4


A force is an interaction 
between objects that causes 
them to move.
Forces can be a push or a 
pull.
Push Forces
 A push force 
moves objects 
away from you.
Examples of Push 
Forces
Pushing a shopping trolley.
Pushing a volleyball to pass 
or score.
Page 5


A force is an interaction 
between objects that causes 
them to move.
Forces can be a push or a 
pull.
Push Forces
 A push force 
moves objects 
away from you.
Examples of Push 
Forces
Pushing a shopping trolley.
Pushing a volleyball to pass 
or score.
Pull Forces
Read More
6 videos|24 docs|8 tests

FAQs on PPT: Forces and Movement - Year 2 Science IGCSE (Cambridge) - Class 2

$1. What are the different types of forces that can affect movement?
Ans. There are several types of forces that can affect movement, including gravitational force, frictional force, tension force, normal force, and applied force. Gravitational force pulls objects toward the Earth, while frictional force opposes motion between surfaces. Tension force is transmitted through a string or rope, normal force acts perpendicular to surfaces in contact, and applied force is any force that is applied to an object.
$2. How does friction influence the motion of an object?
Ans. Friction is a force that opposes the relative motion of two surfaces in contact. It can slow down or stop the movement of an object. The amount of friction depends on the nature of the surfaces and how hard they are pressed together. For instance, rough surfaces create more friction than smooth surfaces, making it harder for objects to slide over each other.
$3. What is Newton's First Law of Motion?
Ans. Newton's First Law of Motion states that an object at rest will remain at rest, and an object in motion will continue moving at a constant velocity, unless acted upon by a net external force. This law highlights the concept of inertia, which is the tendency of objects to resist changes in their state of motion.
$4. How can we calculate the net force acting on an object?
Ans. To calculate the net force acting on an object, you need to consider all the individual forces acting on it and their directions. If forces are in the same direction, you add their magnitudes. If they are in opposite directions, you subtract the smaller force from the larger one. The resulting force is the net force, which determines the object's acceleration according to Newton's Second Law.
$5. What factors affect the acceleration of an object?
Ans. The acceleration of an object is affected by the net force acting on it and its mass. According to Newton's Second Law of Motion, acceleration is directly proportional to the net force and inversely proportional to the mass of the object (a = F/m). This means that a larger force will result in greater acceleration, while a larger mass will result in less acceleration for the same force.
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