A situation for effect of force that leads to a permanent change in shape of an object is<u> deformation</u>.
When a force is applied to a body, motion occurs, but when more than one force is applied, the body undergoes deformation. Deformation is the permanent change in shape of an object.
Deformation can change the shape of an object by compressing, bending or stretching the object. Stretching occurs when an object is pulled apart and compression occurs when the object is squeezed. There are two types of deformation:
- Elastic deformation: This type of deformation is temporary and can be reversed. For example, stretching a rubber band
- Inelastic deformation: This type of deformation is permanent and cannot be reversed. For example, squeezing a metal.
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The upward force exerted on the board by the support is 530.8 N.
<h3>Upward force exerted on the board by the support</h3>
The sum of the upward forces is equal to sum of downward forces;
total downward forces = 52.8 N + 206 N + 272 N = 530.8 N
downward force = upward force = 530.8 N
Thus, the upward force exerted on the board by the support is 530.8 N.
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Box-1 . . . D
Box-2 . . . B
Box-3 . . . A
Box-4 . . . C
-Velocity is the speed of any moving object in a given direction, whilst Speed is the rate of an object's ability to move.
-Velocity can change if the direction or time is changed, the basic equation of velocity is: v = d/t
v - velocity
d - distance
t - time
If one of these factors change, it affects the other.
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Answer:
The automobile tire rotates 91 revolutions
Explanation:
Given;
angular acceleration of the automobile, α = 2.13 rad/s²
time interval, t = 23.2-s
To calculate the number of revolutions, we apply the first kinematic equation;
the initial angular velocity is zero,
Find how many revolutions that are in 573.2256 Rad
Therefore, the automobile tire rotates 91 revolutions
