Question
A block of mass 2kg lies on a horizontal surface and it is subjected to a vertical downward force 30N as shown in figure. The contact force between the block and surface is.
- 30 N
- 0 N
- 50 N
- 20 N
The correct answer is: 50 N
Related Questions to study
The free body diagram of block 'm' is
The free body diagram of block 'm' is
If and , then all the values of lie on
Therefore the correct option is choice 4
If and , then all the values of lie on
Therefore the correct option is choice 4
If is a complex number such that then the minimum value of is is strictly
Therefore the correct option is choice 4
If is a complex number such that then the minimum value of is is strictly
Therefore the correct option is choice 4
If and then
Therefore the correct option is choice 3
If and then
Therefore the correct option is choice 3
One of the values of
One of the values of
If the distance between the points , is
then 6
Assertion (A): If , then lies between
Reason If , then
If the distance between the points , is
then 6
Assertion (A): If , then lies between
Reason If , then
If then a+b+c=
So here we have used the trigonometric functions and trigonometric formulas to solve this, the algebraic expressions were used to formulate it. Here the answer of a+b+c is 7.
If then a+b+c=
So here we have used the trigonometric functions and trigonometric formulas to solve this, the algebraic expressions were used to formulate it. Here the answer of a+b+c is 7.
If a,b,c are the sides of the triangle ABC such that
Then the triangle must be
If a,b,c are the sides of the triangle ABC such that
Then the triangle must be
If and then the value of ' is
Therefore the correct option is choice 3
If and then the value of ' is
Therefore the correct option is choice 3
The maximum value of under the restriction
is
The maximum value of under the restriction
is
The mean of five observations is 4 and their variance is 5.2. If three of these observations are 1, 2, and 6. Then the other two are
The mean of five observations is 4 and their variance is 5.2. If three of these observations are 1, 2, and 6. Then the other two are
are three non zero real numbers such that
are three non zero real numbers such that
When 10 is subtracted from all the observations, the mean is reduced to 60% of its value. If 5 is added to all the observations, then the mean will be
Hence, the new mean is 30.
When 10 is subtracted from all the observations, the mean is reduced to 60% of its value. If 5 is added to all the observations, then the mean will be
Hence, the new mean is 30.
If mean deviation through median is 15 and median is 450, then coefficient of mean deviation is
Hence, the coefficient of Mean Deviation is 1/30.
If mean deviation through median is 15 and median is 450, then coefficient of mean deviation is
Hence, the coefficient of Mean Deviation is 1/30.