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s the rate of CHANGE of velocity.a = (v-u)/t where, a is Accelerationv is FINAL velocityt is timeu is INITIAL velocity.___________________ Its S.I unit is m/s²._________________Acceleration is of three TYPES : ☑️ positive acceleration☑️ NEGATIVE acceleration or retardation☑️ zero acceleration__________________________❤️"

Dear Mate... The ratio of SI to CGS unit of linear momentum is P'=(kg, m/s,G,CM,s)1kg=1000g1m=100cmTherefore... P'=1000g×100cm)/1s(1g×1cm)/1sP'=10^5Hope this HELP you

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ation of an OBJECT is DEFINED as the rate of change in velocity of the object.Acceleration is a vector quantity. (1) POSITIVE acceleration– If the acceleration is ACTING in the direction of motion of a body, the velocity of a body will increase with time. then the acceleration of a body is positive.(2) Negative acceleration– If the acceleration is acting opposite to the direction of motion of a body, the velocity of a body will decrease with time. then the acceleration of a body is negative. (Negative acceleration is also called RETARDATION or deceleration). (3) Zero acceleration– If a body is moving with a constant velocity, then the acceleration of a body is zero.

eak ForceThe weak force of particles physics is one of the FOUR known fundamental interactions of nature, alongside the strong interaction, electromagnetism & GRAVITATION. The weak interaction is responsible for radioactive decay, which plays an essential ROLE in nuclear fission.Contact ForceThese forces are involved only when two objects physically interact or touch each other.Example: Normal REACTION from the GROUND on the ball.hope it helps ☺️

of LCM and HCF = product of two numbers→ LCM × 9 = 306 × 657 → LCM × 9 = 201042→ LCM = 201042/9→ LCM = 22338 ( REQUIRED answer ) _________________________

️⤵️⤵️⤵️⤵️⤵️⤵️⤵️⤵️⤵️⤵️⤵️⤵️'W' is LYING on a horizontal plane.So, THETA = Ang. of friction.We'veF = MGMG = W -----------> [1] ,alsoAng of response = Ang of friction.If we analyse the FBD of the WEIGHT, we getF = MG sin(theta)F = W sin(theta). [from 1]Therefore, The least force will be W sin(theta).

Pressure is the amount of force exerted by a substance.We can REDUCE pressure by changing the following of a substance-1.reducing volume2.reducing mass3.reducing densityThe practical explanation is given below.Explanation:Materials-1.Small piece of Paper of size 2sq.cm                  2.Heavy metal ball                   3.Pressure measuring instrumentProcedure-1.Measure the pressure of the paper then measure the pressure of the heavy metal ball.Note down both the measurements.Observation-The pressure exerted by the ball is more.                        This is because pressure DEPENDS on the mass,volume and DENSITY of a substance.In EVERY ASPECT,the ball is greater.So,pressure exerted by the ball is greater.Conclusion-This proves that pressure of a substance depends on its mass,volume and density.Hope you got your answer!!!!!!!

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Turning effect of force is called moment. It is ALSO called as Torque .A few examples of Torque are hinged doors, see-saws, wrenches, and more COMPLEX motors like vacuum cleaners .Explanation:This effect depends on:the SIZE of the FORCETHE perpendicular (shortest) distance between the force line and the pivot (the axis of rotation).Moment of a force = force × perpendicular distance from line of action of force to pivot MARK it as brainliest dear if you find it helpful!!!!

Because the SUGAR gets into the SPACES between WATER. So the water level does not RISE

tion:A school bag has WIDE straps made of thick cloth (canvas) so that the weight of bag may fall over a large area of the shoulder of the child producing less PRESSURE on the shoulder. And due to less pressure, it is more comfortable to carry the HEAVY school bag.

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tion:For this reason weight distribution varies with the vehicle's intended usage. For example, a DRAG car maximizes traction at the REAR axle while countering the REACTIONARY pitch-up torque. It generates this counter-torque by placing a small amount of counterweight at a great DISTANCE FORWARD of the rear axle.

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Point charges, such as electrons, are among the fundamental building blocks of matter. Furthermore, spherical charge distributions (like on a metal sphere) CREATE external electric fields exactly like a point charge. The electric potential due to a point charge is, thus, a case we need to consider. Using calculus to find the WORK needed to move a TEST charge q from a large distance away to a distance of r from a point charge Q, and noting the connection between work and potential \left(W=\phantom{\rule{0.25em}{0ex}}-q\Delta V\right), it can be shown that the electric potential V of a point charge isV=\frac{\text{kQ}}{r}\phantom{\rule{0.25em}{0ex}}\left(\text{Point Charge}\right),where k is a constant equal to9.0×{\text{10}}^{\text{9}}\phantom{\rule{0.25em}{0ex}}\text{N}\phantom{\rule{0.25em}{0ex}}\text{·}\phantom{\rule{0.25em}{0ex}}{\text{m}}^{\text{2}}\text{/}{\text{C}}^{\text{2}}.Explanation:

ass,= 60 kgCoefficient of STATIC friction,= 0.5Coefficient of Kinetic friction,= 0.4To find:ACCELERATION = ?SOLUTION:Maximum static friction will be:= On putting the values, we get= = Maximum kinetic friction will be:= = then,⇒ or,⇒  On substituting the values, we get⇒     ⇒     Thus, the acceleration will be "0.98 m/s²".

tion:They were able to divide CONGRESS by USING their divide and rule POLICY for some time. To divide the Hindu population further Britishers thought to introduce separate electorate for DEPRESSED classes.

here is your solution.4 sin 30 + 5 tan 45 {sin30=1/2} {tan45=1}.4 ×1\2 +5×12+5=7pls mark as brilliant ANSWER

tion:Because when the forces APPLIED are tangent to the wheel CIRCUMFERENCE, 100% of the applied force is CONTRIBUTING to the TORQUE (turning moment) of the wheel and corresponding axle.

⇒ Magnitude of opposite force is 40.89°. The direction is just opposite to the resultant of GIVEN two vectors. SEE THE ATTACHMENT. EXPLANATION ⇒ The Force which can keep both the body in equilibrium is the Resultant Force but the resultant force will be just opposite in direction to the resultant of these two vectors. Let us first FIND the resultant of these 2 given vectors,  R² = A² + B² + 2ABCosФIn given question, A = 8 N, B = 12 N and Ф = 120.Thus,  R² = 8² + 12² + 2 × 8 × 12 × Cos120∴ R² = 64 + 144 + 16 × 12 × -1/2∴ R² = 208 - 96∴ R² = 112∴  R = √112 N. Now, The angle of the Resultant with an Force B,  tanθ = ASinΦ/( B + ACosΦ)∴ tanθ = 8 × Sin120/(12 + 8 × Cos120)∴ tanθ = (8 × √3/2)/(12 - 8 × 1/2)∴ tanθ = (4√3)/(12 - 4)∴ tanθ = √3/2or θ = 40.89°Thus, Resultant opposite force that should be APPLIED to keep them in equilibrium is opposite to there resultant which is making angle of 40.89°.Hope it helps.

tion:We cannot open or close the DOOR by APPLYING FORCE at the hinges. Because the TORQUE of force at the hinges is zero as perpendicular distance is zero. Hence there is no ROTATIONAL motion.

Balance the WEDGE equation , you will get mvCosQ = (m+M)V1 V1 = mvCosQ/(m+M)EXPLANATION:

Rather, it's the energy produced by the interaction between a current and a magnetic field when one (or both) is changing. ... It ALSO CONTAINS an inductor, in the FORM of a wire coil. Inductors STORE energy in the form of the magnetic fields that are generated around them by the current passing through the wire.Explanation:

NO fieldExplanation:same potention OUTSIDE as insideor no CHARGE is PRESENT q=0

you can KNOW by OBSERVING the REFLECTIONS FORMED by the mirror.hope it HELPS;)

tion:Because CURRENT CARRYING wire PRODUCE an magnetic field around it so when needle of compass brought near the wire the needle deflect in opposite DIRECTION of current.Thank you

tion: Because needle of compass is itself a small MAGNET so when it brought near the large magnet deflection SHOW in compass.Thank you

No because force is work DONE in MOVING a object and momentum is force ACTING per UNIT

heymate!!! welcome to my ANSWER....This behavior is unusual because most substances contract when they are cooled. But WATER EXPAND on solidifying. Due to this expansion a glass bottle completely filled with water and tightly closed at room temperature is likely to burst when it is kept in fridge.plz MRK me as BRAINLIST....