Which statement correctly gives the SI unit of force?
Answer and explanation
Correct answer: D. The newton, equal to one kilogram metre per second squared
- Step 1: Force equals mass times acceleration (F = ma). Step 2. Its unit is kg m/s^2, named the newton. Answer: The newton. Why not the others: Joule, pascal and watt measure energy, pressure and power.
Practise more Physics.
Free questions with an explanation for every one, and full timed FUVEST (University of São Paulo Entrance Exam) mock tests.
More Physics questions
- A car travels at 72 km/h. What is this speed in metres per second?
- A stone falls from rest for 3 s. Taking g = 10 m/s^2 and ignoring air, how far does it fall?
- What net force gives a 1200 kg car an acceleration of 2 m/s^2?
- What is the kinetic energy of a 2 kg body moving at 3 m/s?
- A 12 V source is connected across a 4 ohm resistor. What current flows?
- Resistors of 6 ohm and 3 ohm are connected in parallel. What is the equivalent resistance?