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F = ma.

F = 45 x 2 = 90 N.

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Q: How much force is needed to accelerate your body at a rate of 2 m per s per s if you weigh 45 kg?
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Related questions

How much force is needed to accelerate your body at a rate of 2 if you weigh 45 kg?

90 n is needed to accelerate your body at a rate of 2 if you weigh 45 kg.


How much force is needed to accelerate your body at a rate of 2 ms2 if you weigh 45 kg?

90 N


How much force is needed to accelerate your body at a rate of 2 ms2 if you weigh 45kg?

Force = mass x acceleration. I'll let you do the math.


When can an object have Acceleration?

Whenever there is a resultant force acting on a body which is having some mass, then that body will accelerate (or) A body whose velocity is changing with respect to time and having some mass then the body will accelerate.


Is an unbalanced force needed to start motion?

Yes, in order for an object to accelerate or decelerate, the resultant force cannot be zero.To cause a car to accelerate, the forward force (thrust force/engine force) must be greater than the backwards force (friction force/brake force). When this unbalanced force is achieved, the body will initiate its motion.


When a force is applied to a body in what direction will the body accelerate?

Acceleration is in the same direction as the applied force.


How does the unbalanced force affect the motion of the body?

A unbalanced force causes a body to accelerate. (From Newton's second law)


What does force do to objects?

•An action (transfer of energy) that will accelerate a body in the direction of the applied force.


Conditions in which the body is accelerating?

According to Newton's laws, the conditions in which a body accelerates are only those in which a force is acting upon it. With no force acting upon it, a body would not accelerate. With a force acting upon it, it would accelerate by an amount proportional to the force and inversely proportional to its mass.


Can an object accelarate without friction?

Yes, an object can accelerate without friction. The only thing that is needed to accelerate an object is net force acting on it should not be zero. Then the accleration of body is given by Newton's 2nd Law: F = m*a . For example Rockets in space experience no friction, but they accelerate due to force on them by the exhaust gases.


Why a body moves in a circular motion?

A body will move in circular motion if there is a force to accelerate it towards the center.


What is the force that opposes?

Friction.Called inertia. To accelerate a body the force is mass times acceleration. No force = no acceleration. People say " the force is opposed by the massacceleration"