1. There are how many laws of motion? a. 5 b. 2 c. 3 d. 4 2. Which law of motion is also known as Law of Inertia? a. Newton’s 1st Law c. Newton’s 2nd Law b. Newton’s 3 rd Law d. All of the above 3. When an object at rest velocity and acceleration is zero a. object starts to move c. object continues to be at motion b. object continues to be at rest d. none of the above 4. Which is the Newton’s3rd Law of motion? a. The rate of change of linear momentum is equal to force acting on the body. b. An object will remain at rest or in uniform motion in a straight line unless acted upon by an external force c. All forces in the universe occur in equal but oppositely directed pairs. d. None of these. 5. When we kick a ball, force is exerted in _________ a. specific direction c. multi force b. all direction d. none of the above
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
1. There are how many laws of motion?
a. 5 b. 2 c. 3 d. 4
2. Which law of motion is also known as Law of Inertia?
a. Newton’s 1st Law c. Newton’s 2nd Law
b. Newton’s 3 rd Law d. All of the above
3. When an object at rest velocity and acceleration is zero
a. object starts to move c. object continues to be at motion
b. object continues to be at rest d. none of the above
4. Which is the Newton’s3rd Law of motion?
a. The rate of change of linear momentum is equal to force acting on the body.
b. An object will remain at rest or in uniform motion in a straight line unless acted upon by an external force
c. All forces in the universe occur in equal but oppositely directed pairs.
d. None of these.
5. When we kick a ball, force is exerted in _________
a. specific direction c. multi force
b. all direction d. none of the above
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