A block is on a frictionless table, on earth. The block accelerates at 3.3 m/s 2

Question

A block is on a frictionless table, on earth. The block accelerates at 3.3 m/s2 when a 80 N horizontal force is applied to it. The block and table are set up on the moon. The acceleration due to gravity at the surface of the moon is 1.62 m/s2. The weight of the block on the moon is closest to:

A block is on a frictionless table, on earth. The block accelerates at 3.3 m/s2 when a 80 N horizontal force is applied to it. The block and table are set up on the moon. The acceleration due to gravity at the surface of the moon is 1.62 m/s2. The weight of the block on the moon is closest to:

Explanation / Answer

39 N

given data

W = 80 N

a = 3.3 m/s^2

g_moon = 1.62 m/s^2

let m is the mass of the block.

Apply, F = m*a

==> m = F/a

= 80/3.3

= 24.24 kg

weight of te block on the moon, W = m*g_moon

= 24.24*1.62

= 39.3 N (close to 39 N )

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