Introduction To Physical Science

Chapter 11: Force and Newton's Laws

Standardized Test Practice

 1 The box above is pushed from the left with a horizontal force. What is the total frictional force on the box? (3.0K) A) 13.5 N B) 1.5 N C) 15 N D) 16.5 N 2 What is the acceleration of the box? (3.0K) A) 2.6 m/s2 B) 3.0 m/s2 C) 3.3 m/s2 D) 3.7 m/s2 3 What is the weight of a toy car that has a mass of 0.28 kg? A) 0.028 N B) 3.5 N C) 35 N D) 2.7 N 4 Which object would have an acceleration of 1.5 m/s2 if you pushed on it with a force of 0.36 N? (3.0K) A) book B) ruler C) can D) stapler 5 Which object would have the least acceleration if you pushed on it with a force of 6.5 N? (3.0K) A) book B) can C) ruler D) stapler 6 Which of the following is true about gravitational force? A) It is a repulsive force. B) It grows stronger with distance. C) It exists between a person and a desk. D) It does not depend on the mass of objects 7 A 5.0-kg box is pushed across the floor with a force of 32 N. What is the frictional force on the box if the box's acceleration is 3.6 m/s2? A) 14 N B) 17 N C) 18 N D) 31 N 8 What is the acceleration of a 9.6-kg rock if gravity pulls it downward, but air resistance pushes upward with a force of 2.8 N? A) 9.5 m/s2 upward B) 9.8 m/s2 downward C) 9.8 m/s2 upward D) 9.5 m/s2 downward 9 The combination of units written kg·m/s2 can be used for which of the following? A) acceleration B) mass C) force D) weight 10 Gravitational pull on Earth is 6 times the gravitational pull on the Moon. If a rock on the moon has a mass of 1.2 kg, what is its mass on Earth? A) 0.20 kg B) 1.2 kg C) 0.60 kg D) 7.2 kg