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Class 9
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Verification of Newton's Second Law
Verification of Newton's Second Law
Theory
Theory
Procedure
Animation
Simulator
Viva Voce
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1)
What causes a body to fall to Earth?
Acceleration.
Velocity.
Gravity.
Mass.
2)
What is the rate of change of velocity called?
Constant acceleration.
Increasing acceleration.
Decreasing acceleration.
Zero acceleration.
3)
The product of mass and velocity is called_____
Force
Momentum
Torque
Work
4)
Which of the following statements is false?
F= ma
F= m dv/dt
F = dp/dt
F =mda/dt
5)
Which of the following is correct for acceleration due to gravity at the equator on Earth?
9.6
9.8
9.7
9.5
6)
Consider two bodies having the same mass and falling from different heights. Which one should have the maximum velocity when reaching the ground (neglecting air resistance)?
Highest massed object.
Least massed object.
Both will have the same velocity.
One falling from highest height.
7)
What is the force of attraction between all heavenly bodies called?
Electrostatic force
Gravitational force
Weak force
Strong force
8)
“When there is no external force acting on the system, total linear momentum is conserved”- Which Law does this statement describe?
Law of Conservation of Momentum
Law of Conservation of Force
Law of Conservation of Mass
Law of Conservation of Energy
9)
When a body moves over a frictional surface, its acceleration ______.
decreases with increase of friction
increases with increase of friction
is independent of frictional force
is depends on frictional force
10)
What causes a vehicle to move?
Force
Acceleration
Velocity
Friction
11)
What is the result when the brakes of a vehicle are suddenly applied?
Decelerating vehicle.
Vehicle comes to rest.
Accelerating vehicle.
Velocity becomes zero.
12)
Consider mass of a brick is 100 grams, how much force is needed to lift up 10 bricks individually?
9.8 N
98 N
980 N
9800 N
13)
Which is the statement of Newton’s Second Law?
F= m(dv/dt)
F= ma
F=dp/dt
All of these.
14)
In uniformly accelerated motion, what is the shape of the displacement- time graph?
Hyperbola
Parabola
Straight line
No fixed shape
15)
What is the unit of force?
gm-2
kgms-2
kgms-1
kgm-1
Cite this Simulator:
amrita.olabs.edu.in,. (2012). Verification of Newton's Second Law. Retrieved 28 May 2022, from amrita.olabs.edu.in/?sub=1&brch=1&sim=44&cnt=185