Force (G8-Q1-W1)
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24 Terms
Force
defined as any push or pull that can cause an object to undergo a change in motion
Contact Forces
forces that occur due to the interaction of bodies in contact
Non-contact Force
forces that act at a distance without direct contact
Frictional Force
a force that opposes relative motion between surfaces in contact
Tensional Force
the pulling force transmitted through a string, rope, or cable when it is taut
Applied Force
force applied by one object on another.
Normal Force
the support force exerted upon an object that is in contact with another stable object
Unbalanced force
not equal, leading to a change in the motion of an object
Balanced force
equal in size and opposite in direction, resulting in no overall change in motion
Gravitational Force
the attraction between two masses, which causes weight.
Magnetic Force
attraction or repulsion between magnets due to their respective poles.
Electrostatic Force
the attractive or repulsive force between two ELECTRICALLY charged objects
b. Magnetic Force
Which of the following is NOT a contact force?
a. Tension Force
b. Magnetic Force
c. Normal Force
d. Frictional Force
d. a book resting on a table
Which is not an example of unbalanced force?
a. a car accelerating
b. kicking a ball
c. launching a rocket
d. a book resting on a table
c. Newton
Unit of force
a. Joules
b. Celsius
c. Newton
d. Fahrenheit
d. acceleration
What is NOT a force that controls the motion of everyday objects?
a. gravity
b. friction
c. applied force
d. acceleration
False
True or False?
Balanced forces causes change in motion
False
True or False?
Forces cannot work together
True
True or False?
Balanced forces are equal to 0N
True
True or False?
Unbalanced forces causes change in motion
True
True or False?
Forces can change the shape of an object
False
True or False?
Gravity only works on Earth
False
True or False?
Friction is a type of force that helps objects to move faster
True
True or False?
Force is measured in Newtons (N)