A book rests on a desk. Its cover measures an area of 15cm and 20cm. it exerts a pressure of 400pa. Determine the mass of the. ( Use g=10n/k

Question

A book rests on a desk. Its cover measures an area of 15cm and 20cm. it exerts a pressure of 400pa. Determine the mass of the. ( Use g=10n/kg)​

in progress 0
Maris 3 days 2021-07-22T21:03:51+00:00 1 Answers 0 views 0

Answers ( )

    0
    2021-07-22T21:05:23+00:00

    Surface area = 15 X 20 => 300 cm => 3 m(BTW convert every unit to standard)

    P X A = F

    400 X 3 = F

    F = 1200 N

    F = MA

    F/A = M

    1200/10 = M

    120 Kg = M

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )