Which of the following best explains why an ice skater is able to coast on ice for a long distance without pushing off in a straight line across the ice?
The force of friction on the blades of the skates is less than the force of friction on the ice.
The ability of an ice skater to coast for a long distance without pushing off is primarily due to the low friction between the skate blades and the ice surface. This reduced friction allows the skater to maintain their momentum with minimal resistance, enabling them to glide smoothly across the ice.
This statement is incorrect because if the force of friction on the skate blades were greater than that on the ice, the skater would experience significant resistance, reducing their ability to coast. Greater friction would cause the skater to slow down rapidly rather than maintain speed.
This option is misleading as the ice does not exert a forward force on the skater; rather, the skater moves forward due to their initial momentum. The interaction between the skate blades and the ice primarily involves friction, which is minimal, not an applied forward force.
This choice is incorrect because buoyancy is not a relevant factor in this scenario. The skater is not floating but rather gliding on the ice, where the primary forces involved are weight and friction. Buoyancy acts in fluids and does not apply to the solid interaction of skate blades on ice.
The ability of an ice skater to coast for extended distances is best explained by the relatively low friction between the skate blades and the ice. This low friction allows the skater to conserve momentum and glide smoothly. In contrast, higher friction or the presence of non-relevant forces like buoyancy would impede the skater's motion, illustrating the critical role of friction in skating dynamics.
Related Questions
View allA teacher is introducing the geologic time scale to third-grade studen...
Which of the following is an example of a physical change?
A metal spoon that heats up while sitting in a bowl of hot soup is an...
Which of the following plant structures are specialized for the absorp...
Which of the following is always true of a chemical change?
Related Quizzes
View allPraxis 5001 Test with Answers
Praxis 5002 Study Guide
5002 Praxis Practice Test
Reading & Language Arts Praxis 5002
Praxis 5002 Reading and Language Arts Exam
Praxis 5003 Exam with Outline
5003 Praxis Math Answers
Praxis 5003 Study Guide
Praxis Social Studies 5004
Praxis 5004 Social Studies
- ✓ 500+ Practice Questions
- ✓ Detailed Explanations
- ✓ Progress Analytics
- ✓ Exam Simulations