Question

What is the mass of the cart with a constant net force of 200N is exerted to accelerate from rest to a velocity of 40m/ s in 10 s.

A. 0.5kg
B. 5 kg
C. 50kg
D. 500kg

Answer 1

F=ma

m=

a

F

F=200N=200kg

s

2

m

a=

t

v

=

10s

40

s

m

=4

s

2

m

m=

4

s

2

m

200kg

s

2

m

m=50kg

Answer 2

Answer:

5kg

Explanation:

Given, mass 5kg Fnet 200N

Required,

Equation,a,Fnet/kg

Solution,a,200N à 40m/s/s²/5,kg

Answer, a,5kg,/m/s²