Laws of Motion

Newton's Laws of Motion

Subtopic

Newton's Laws of Motion under Laws of Motion for Grade 11 ICSE.

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1.
$The product of the average force acting on a body and the time interval for which it acts is defined as:$
A. $Momentum$
B. $Power$
C. $Work$
D. $Impulse$
2.
$When a person jumps out of a rowing boat to the shore, the boat moves backwards. This phenomenon is best explained by:$
A. $Newton's First Law of Motion$
B. $Newton's Second Law of Motion$
C. $Newton's Third Law of Motion$
D. $The Law of Inertia$
3.
$2\ kg$
A. $20\ N$
B. $20\ N$
C. $Zero$
D. $2\ N$

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Friction

Subtopic

Friction under Laws of Motion for Grade 11 ICSE.

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1.
$(\mu_s)$
A. $N$
B. $kg \cdot m/s^2$
C. $m/s^2$
D. $It is a dimensionless quantity$
2.
$The direction of the frictional force acting on a body moving or tending to move over a surface is always:$
A. $Parallel to the surface and opposite to the direction of relative motion$
B. $Perpendicular to the surface and directed upwards$
C. $In the same direction as the applied force$
D. $Directed towards the center of gravity of the body$
3.
$Arrange the following types of friction in descending order of their magnitudes for the same set of surfaces and the same normal reaction.$
A. $Static Friction > Kinetic Friction > Rolling Friction$
B. $Rolling Friction > Kinetic Friction > Static Friction$
C. $Kinetic Friction > Static Friction > Rolling Friction$
D. $Static Friction > Rolling Friction > Kinetic Friction$

Download the worksheet for Laws of Motion - Friction to practice offline. It includes additional chapter-level practice questions.

Dynamics of Uniform Circular Motion

Subtopic

Dynamics of Uniform Circular Motion under Laws of Motion for Grade 11 ICSE.

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1.
$When a car takes a turn on a level (unbanked) road, which force provides the necessary centripetal force?$
A. $Normal reaction of the road$
B. $Gravitational force$
C. $Centrifugal force$
D. $Frictional force between the tires and the road$
2.
$How much work is done by the centripetal force on an object moving in a uniform circular path?$
A. $It is equal to the kinetic energy of the object$
B. $It is equal to the potential energy of the object$
C. $Zero, because the force is always perpendicular to the displacement$
D. $Positive, because the force is in the direction of motion$
3.
$F_c$
A. $F_c = \frac{mv^2}{r}$
B. $F_c = mvr$
C. $F_c = \frac{mv}{r^2}$
D. $F_c = mv^2r$

Download the worksheet for Laws of Motion - Dynamics of Uniform Circular Motion to practice offline. It includes additional chapter-level practice questions.

Newton's Laws of Motion

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Friction

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Dynamics of Uniform Circular Motion

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