Types of Motion
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define uniform and non-uniform speeds.
What are the types of Inertia?
According to the third law of motion when we push on an object, the object pushes back on us with an equal and opposite force. If the object is a massive truck parked along the roadside, it will probably not move. A student justifies this by Solutioning that the two opposite and equal forces cancel each other. Comment on this logic and explain why the truck does not move.
If a body covers equal distances in equal intervals of time, its motion is:
Non-Uniform
Circular
Vibratory
Uniform
Define circular motion with examples.
An athlete running a 100 m race along a straight track is said to have _________ motion.
- circular
- periodic
- rectilinear
Two forces, and are acting on an object.
(a) What is the net force acting on the object?
(b) What is the direction of the net force acting due to the application of these two forces?
(c) Name the force.
Distinguish between:
(1) Distance and displacement.
(2) Uniform motion and non uniform motion.
Describe the term inertia with respect to motion.
Motion of the Moon around the Earth is an example of…………………. motion.
How is circular motion different from oscillatory motion?
- circular motion
- rectilinear motion
- periodic motion
Which of the following shows oscillatory motion?
Motion of a train on a straight bridge
Motion of a child in a merry-go-round
Motion of your hand while running
Motion of a child on a see-saw
Is it right that in all uniform motions like uniform speed and uniform velocity, the object will travel only in a straight path?
When a body travels equal distances in equal intervals of time, the speed is said to be__________(uniform/non-uniform)
Which has more inertia, a bowling ball or a golf ball?
Give one example of inertia of motion.
When a person jumps from a boat on the shore, does the boat start moving in the opposite direction?
In case of uniform motion along a straight line, the distance travelled by a body is
directly proportional to square of time
directly proportional to time
inversely proportional to square of time.
inversely proportional to time.
Motion of swing is an example of
Curvilinear motion
Multiple motion
Oscillatory motion
Why does a rubber ball rebounds when struck against a hard floor?
- Motion of an electric fan
- Motion of pendulum of a wall clock
- Motion of a spinning top
- Motion of a stone dropped from a roof
The force exerted by a body on Earth is ____________ a force exerted by the Earth on the body.
The unit of momentum in the SI system is. Then SI unit of momentum is equal to _________ CGS units of momentum.
Which newtons law of motion is applied in a flight of a bird? Support your answer with a suitable reason.
State whether momentum is a scalar or vector quantity.
Consider a book lying on a table. The weight of the book and the normal force by the table on the book are equal and opposite. Is this an illustration of Newtons third law?
- Equal distances in unequal intervals of time
- Unequal distances in equal intervals of time
- Equal distances in equal intervals of time
- Variable Speed