What is the equation of the straight line with slope -3/2 and which passes through the point (-3 ,2)?
Anonymous Quiz
16%
2x+3y+5 = 0
44%
y = 3x-5
40%
3x+2y +5 = 0
0%
5y = 3x-5
What is the y-intercept of the line whose general equation is 3x - 6y - 4 = 0?
Anonymous Quiz
47%
-2/3
23%
3/2
21%
1/2
9%
-1/2
What is the equation of the line passing through (-2, 0) and (0, 5)?
Anonymous Quiz
38%
5x - 2y +10 = 0
38%
-5x -2y -10= 0
14%
y = 5x- 5
11%
5y- 2x = 4-3x
The point of intersection of the miedians of a triangle is called the____________ of the triangle.
Anonymous Quiz
21%
circumcentre
26%
orthocentre
11%
incentre
42%
centroid
❤4
Practice Problems.pdf
68.5 KB
Practice Problems on speed, average speed, velocity and average velocity.
A force exerted over a distance to move an object is ______________________.
Anonymous Quiz
18%
Power
63%
Work
16%
Energy
3%
Momentum
A 5000N block is lifted 10 m. How much work was done?
Anonymous Quiz
59%
50000J
12%
5000J
24%
500J
6%
50J
In which of these cases is work being done?
Anonymous Quiz
9%
A student sleeps
13%
A student pushes a locked door that does not move
74%
A student carries his chair into another room
4%
A student sits on the carpet
Work done by the force of friction
Anonymous Quiz
13%
Can be positive
28%
Can be negative
13%
Can be zero
46%
All of the above
when a body slides against a rough horizontal surface, the work done by friction is
Anonymous Quiz
22%
Positive
13%
Zero
56%
Negative
10%
Constant
If a force acts perpedicular to the direction of motion of a body, what is the amount of work done?
Anonymous Quiz
5%
Infinity
16%
Constant
70%
Zero
9%
one
What is the sign of the work done by gravity on a man standing on a platform?
Anonymous Quiz
23%
Positive
31%
Zero
31%
Negative
15%
Depend on a particular situation
What is the sign of the work performed on an object in uniform circular motion?
Anonymous Quiz
52%
Zero
30%
Positive
7%
Negative
11%
Depend on the particular situation
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A constant force of 10 N causes a box to move at a constant speed of 2 m/s. How much work is done in 10 seconds?
Anonymous Quiz
44%
200J
31%
100J
22%
20J
3%
25J