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Q 1/30
Score 0
What is the SI unit of force?
30
Watt
Pascal
Joule
Newton
Q 2/30
Score 0
What unit is used to measure electric current?
30
Watt
Ohm
Volt
Ampere
30 questions
Q.
What is the SI unit of force?
1
30 sec
Q.
What unit is used to measure electric current?
2
30 sec
Q.
Which unit is commonly used to measure energy?
3
30 sec
Q.
A ball is thrown vertically upward with an initial velocity of 15 m/s. How high will it rise before starting to fall back down? (Assume acceleration due to gravity is -9.8 m/s²)
4
30 sec
Q.
An object falls freely under the influence of gravity for 5 seconds. What is its velocity just before impact? (Assume acceleration due to gravity is 9.8 m/s²)
5
30 sec
Q.
If a skateboarder pushes off from rest and accelerates at a rate of 4 m/s² for 3 seconds, what will be their final speed?
6
30 sec
Q.
Which of the following forms of energy is stored in an object due to its position or configuration?
7
30 sec
Q.
Which law states that energy cannot be created or destroyed, only transformed from one form to another?
8
30 sec
Q.
What happens to the gravitational potential energy of an object when it is lifted to a higher position?
9
30 sec
Q.
During an elastic collision, which of the following is conserved?
10
30 sec
Q.
In which type of collision is only momentum conserved and not kinetic energy?
11
30 sec
Q.
A 2 kg object moving at 3 m/s collides with a stationary 4 kg object. If the collision is perfectly inelastic, what is the speed of the combined mass after the collision?
12
30 sec
Q.
13
30 sec
Q.
What unit is used to measure impulse?
14
30 sec
Q.
Which of the following best describes momentum?
15
30 sec
Q.
Which of the following statements about impulse is true?
16
30 sec
Q.
What is the unit of torque in the International System of Units (SI)?
17
30 sec
Q.
What is the moment of inertia for a point mass at a distance r from the axis of rotation?
18
30 sec
Q.
What happens to the rotational inertia of an object if its mass is distributed farther from the axis of rotation?
19
30 sec
Q.
In rotational dynamics, what is the relationship between torque and angular acceleration?
20
30 sec
Q.
What is the effect of increasing the angle at which a force is applied to a lever arm on the resulting torque?
21
30 sec
Q.
What is the term for the quantity that represents the rotational analog of linear force, often involved in causing angular acceleration?
22
30 sec
Q.
Which term describes the rotational equivalent of mass, influencing how much torque is needed to achieve a desired angular acceleration?
23
30 sec
Q.
What is the term for the force that causes an object to follow a curved path and is directed toward the center of the rotation?
24
30 sec
Q.
What is the term used for the measure of how difficult it is to change the rotational motion of an object?
25
30 sec
Q.
Which of the following terms describes the rate of change of angular displacement?
26
30 sec
Q.
What is the term for the acceleration that occurs when there is a change in the rotational speed of an object?
27
30 sec
Q.
What term describes an inclined surface that allows for easier lifting of heavy objects?
28
30 sec
Q.
Which simple machine consists of a rigid bar that rotates around a fixed point?
29
30 sec
Q.
What is the point where the distribution of mass is balanced in an object called?
