Friction causes kinetic energy to be converted into thermal energy.
Friction causes kinetic energy to be converted into thermal energy, among other forms of energy. When an object is in motion and experiences friction, the work done by friction is negative, which reduces the object's kinetic energy. This converted energy is often released as heat.
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A) a force
B) mass
C) size
D) direction
Answer:The correct options are (C)and (D) are correct.
Explanation:
A vector is defined as quantity which have magnitude and direction. it is represented by the arrow whose direction is same as that of the quantity.Fro example : velocity, force, acceleration , work done etc.
Magnitude is a term which means size or extent or importance of something.
From this we can conclude that vectors always consists of direction and size(magnitude). Hence options(C)and (D) are correct.
Answer:
prominences
Explanation:
b. 1.875 kg
c. 23 kg
d. 120 N
Answer:
120 N
Explanation:
p =mv p = 15 kg*8m/s2 = 120N
b. position
c. direction
d. displacement