Motion and rest - class-VII
Description: motion and rest | |
Number of Questions: 26 | |
Created by: Amal Dixit | |
Tags: kinematics motion, force and pressure motion and measurement motion in a straight line motion and time along with motion primary concept of force and energy motion, force and speed motion and measurement of distances describing motion physics |
A ball lying on the ground does not move on its own because:
A tree in a park is in a state of _____with respect to the ground.
The earth is in a state of ______
A book lying on a table is an example of -
A book lying on a table is in a state of ____
Electric drill, rolling ball, wheel of a moving car, pendulum of a wall clock,spinning ball. Find the odd one out.
Apple falling from a tree, car moving on a straight road, coins moving over a carrom board, giant wheel. Find the odd one out:
Tree, hut, earth, dustbin, chair. Find the odd one out.
Select the odd one :
Two balls of different masses have the same KE. Then the:
When a body is at rest, it is obeying
An object is said to be in motion its position (with respect to another object)
What is corrct statement about impulse?
A train of length 200 m traveling at $30 { ms }^{ -1 }$ overtakes another train of length 300 m traveling at $20 { ms }^{ -1 }$. The time taken by the first train to pass the second is
A person in a car tends to fall back when it suddenly starts. It is due to
The wall of your classroom is in a state of -
If the forces acting on an object are balanced, then_____
If $\vec {u}=a \hat {i}+b \hat {j}+ c \hat {k}$ with $\hat {i},\hat {j},\hat {k}$ are in east, north and vertical directions, the maximum height of the projectile is ?
When a body is at rest, it is obeying :
If a body does not change its position with respect to its surroundings, the body is said to be at rest.
In which of the following cases , the net force is zero?
I) A ball freely falling from a certain height
II) A cork floating on the surface of water
III) An object floating in air
In the state of equilibrium
I) Net force is zero
II) Body at rest will continue to be in its state of rest
III) Body moving with uniform velocity will continue to be in its state of uniform velocity
IV) Body with linear momentum $\vec{p}$ will continue to have the same momentum $\vec{p}$.
At the starts of a motion along a line the initial velocity is u and acceleration is at. The final velocity v is
The pendulum of a wall clock exhibits
Symmetry of the laws of nature with respect to translation in time give rise to