1. Newton’s First Law of Motion states that an object at rest will remain at rest unless: a) A force is applied
b) The object is heated
c) The object is cooled
d) It is in a vacuum
Answer: a) A force is applied
2. The unit of force in the International System of Units (SI) is: a) Joule
b) Newton
c) Pascal
d) Watt
Answer: b) Newton
3. What is the acceleration of an object in free fall near the Earth’s surface? a) 9.8 m/s²
b) 1.6 m/s²
c) 5 m/s²
d) 0 m/s²
Answer: a) 9.8 m/s²
4. The product of mass and velocity is called: a) Force
b) Acceleration
c) Momentum
d) Energy
Answer: c) Momentum
5. The rate of change of velocity is known as: a) Speed
b) Displacement
c) Acceleration
d) Force
Answer: c) Acceleration
6. A body moving in a circular path with a constant speed has: a) Zero acceleration
b) Constant velocity
c) Centripetal acceleration
d) Tangential force
Answer: c) Centripetal acceleration
7. The work done when a force of 10 N moves an object 2 meters is: a) 5 J
b) 20 J
c) 10 J
d) 15 J
Answer: b) 20 J
8. Kinetic energy of an object is given by: a) 1/2 mv²
b) mgh
c) Fd
d) kx²
Answer: a) 1/2 mv²
9. Potential energy of an object at height is given by: a) mgh
b) 1/2 mv²
c) Fd
d) 1/2 kx²
Answer: a) mgh
10. What is the unit of work in the International System of Units (SI)? a) Joule
b) Newton
c) Pascal
d) Watt
Answer: a) Joule