# physical science

posted by tracey

a force of 20 N gives an object an acceleration of 5 m/s2. (a)What force would be needed to give the same object an acceleration of 1 m/s2. (b) what force would be needed to give an accelerattion of 10 m/s2 ?

1. Elena

F=m•a
m=F/a.

F1=m•a1=F•a1/a

## Similar Questions

1. ### Physics, 4 short questions

VERY IMPORTANT FOR AN ESSAY ASSIGNMENT. PLEASE HELP ASAP! THANK U VERYYYYY MUCH! 1. What force is needed to give a mass of 25 kg an acceleration of 20m/s squared?
2. ### physics

A certain force gives an object of mass m1 an acceleration of 13.0 m/s2 and an object of mass m2 an acceleration of 2.10 m/s2. What acceleration would the force give to an object of mass (a)m2 – m1 and (b)m2 + m1?
3. ### physics

A certain force gives an object of mass m1 an acceleration of 13.0 m/s2 and an object of mass m2 an acceleration of 2.10 m/s2. What acceleration would the force give to an object of mass (b)m2 + m1?
4. ### physics

A net force gives a 10th kg object an acceleration of 2.0m/s . If the same force were applied to a 20 kg object what would its acceleration be?
5. ### physics

If a force gives a 2-kg object an acceleration of 1.6 m/s2, what acceleration does this same force give to an 8-kg object?
6. ### physical sicence

If a force gives a 2-kg object an acceleration of 1.6 m/s2, what acceleration does this same force give to an 8-kg object?
7. ### science

A force of 20 N gives an object an acceleration of 5m/s^2. (a) What force would be needed to give the same object an acceleration of 1m/s^2?
8. ### Science

True / False: If a 40 kg person is accelerating at 10 m/s^2,then the magnitude of the force acting on him or her is 400 N. 1.How much force is needed to make a 60 kg object accelerate at a rate or 2.0 m/s ^2?
9. ### Physics

A certain force gives mass m1 an acceleration of 13.0 m/s2 and mass m2 an acceleration of 3.6 m/s2. 1) What acceleration would the force give to an object with a mass of (m2-m1)?
10. ### physics

a certain force gives m1 an acceleration of 12m/s^2 the same force gives object m2 an acceleration 3.3m/s^2. wahty acceleration gives to an object having mass(A) the difference m1 and m2 (B)the sum of m1 and m2

More Similar Questions