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WorksheetsPhysics(2nd law of motion)
Total questions: 8
Worksheet time: 5mins
What is the correct defenition of Newton's Second law of motion?
Every action has an equivalent opposite reaction
The rate of change of momentum of a body is directly proportional to applied unbalanced force
The rate of change of momentum of a body is inversely proportional to the applied unbalanced force
None of the Above
What is the equation for Newton's 2nd law of motion?
FΔt=Δp=p−po
v=u+at
f=ma
None of the Above
What does the change in momentum of a body depend on?
Magnitude an Direction
Mass and Direction
Direction and Speed
None of the above
Magnitude of the resultant force acting on a body is equal to
Sum of the mass of the body and the acceleration produced
Difference of the mass of the body and acceleration produced
Product of mass of the body and acceleration produced
None of the above
Write the name of units in the formula f=ma respectively. (i.e. f abbreviation, m abbreviation, a abbreviation)
(a)
A force acts for 0.1s on a body of mass 1.2 kg initially at rest. The force then ceases to act and the the body moves through 2m in the next one second. Find the Magnitude of Force.
12 N
24 N
36 N
None of the Above
A force of 20 N acts on a body of mass 5kg for 5 sec. Find the acceleration of the body
4 m/s-2
5 m/s-2
2 m/s-2
None of the Above
A constant force acts on an object of mass 5kg for a duration of 2s. It increases the object's velocity from
3ms−1 to 7ms−1 . Find the magnitude of the applied force.20N
5N
16N
10N
