Tom and his little sister are enjoying an afternoon at the ice rink. They playfully place their hands together and push against each other. Tom's mass is 67 kg and his little sister's mass is 15 kg.

(a)Which of the following statements is correct?

The force experienced by Tom is less than the force experienced by his sister.

They both experience the same force.

The force experienced by the sister is less than the force experienced by Tom.

(b)Which of the following statements is correct?

Tom's acceleration is more than the sister's acceleration.

Tom's acceleration is less than the sister's acceleration.

They both have the same acceleration.

(c)If the sister's acceleration is 2.1 m/s² in magnitude, what is the magnitude (in m/s²) of Tom's acceleration? (Enter a number.)