Problems

A bathroom scale shows your mass as 55 kg. What will it read on the moon?

1. 9.4 kg
2. 10.5 kg
3. 55.0 kg
4. 91.9 kg

A person pushes an object of mass 5.0 kg along the floor by applying a force. If the object experiences a friction force of 10 N and accelerates at 18 m/s², what is the magnitude of the force exerted by the person?

1. −90 N
2. −80 N
3. 90 N
4. 100 N