A constant force is applied to an object, causing the object to accelerate at 10

Question

A constant force is applied to an object, causing the object to accelerate at 10 m/s2 .

A)

What will the acceleration be if the force is halved?

Express your answer using two significant figures.

B)

What will the acceleration be if the object's mass is halved?

Express your answer using two significant figures.

C)

What will the acceleration be if the force and the object's mass are both halved?

Express your answer using two significant figures.

D)

What will the acceleration be if the force is halved and the object's mass is doubled?

Express your answer using two significant figures.

Explanation / Answer

since F = m a, havling F halves a

a) 5.0 m/s^2

b) having mass doubles a

20.0 m/s^2

c) a = F/m so halving both doesnt change

10.0 m/s^2

d)

a = (F/2)/(2m) = 1/4 F/m = 1/4 10

a = 2.5 m/s^2

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