What is the y-intercept of the line whose general equation is 3x - 6y - 4 = 0?
Anonymous Quiz
48%
-2/3
23%
3/2
20%
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
36%
-5x -2y -10= 0
13%
y = 5x- 5
13%
5y- 2x = 4-3x
The point of intersection of the miedians of a triangle is called the____________ of the triangle.
Anonymous Quiz
23%
circumcentre
27%
orthocentre
10%
incentre
40%
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
19%
Power
60%
Work
16%
Energy
4%
Momentum
A 5000N block is lifted 10 m. How much work was done?
Anonymous Quiz
60%
50000J
13%
5000J
22%
500J
5%
50J
In which of these cases is work being done?
Anonymous Quiz
8%
A student sleeps
17%
A student pushes a locked door that does not move
70%
A student carries his chair into another room
5%
A student sits on the carpet
Work done by the force of friction
Anonymous Quiz
12%
Can be positive
27%
Can be negative
12%
Can be zero
49%
All of the above
when a body slides against a rough horizontal surface, the work done by friction is
Anonymous Quiz
23%
Positive
12%
Zero
54%
Negative
12%
Constant
If a force acts perpedicular to the direction of motion of a body, what is the amount of work done?
Anonymous Quiz
4%
Infinity
20%
Constant
69%
Zero
8%
one
What is the sign of the work done by gravity on a man standing on a platform?
Anonymous Quiz
24%
Positive
33%
Zero
29%
Negative
15%
Depend on a particular situation
What is the sign of the work performed on an object in uniform circular motion?
Anonymous Quiz
47%
Zero
34%
Positive
6%
Negative
13%
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
49%
200J
27%
100J
19%
20J
5%
25J
A horizontal force of 5 N is required to maintain a velocity of 2 m/s for a block of 10 kg
mass sliding over a rough surface. Calculate the work done by this force in one minute.
mass sliding over a rough surface. Calculate the work done by this force in one minute.
Anonymous Quiz
18%
20J
43%
10J
25%
5J
14%
25J