Motion & Friction

Here are some MCQs on Motion & Friction

1. Which of the following is a scalar quantity?

a) Force

b) Velocity

c) Acceleration

d) Displacement

2. Which of the following is a vector quantity?

a) Temperature

b) Energy

c) Time

d) Displacement

3. What is the SI unit of acceleration?

a) Joule

b) Meter

c) Meter per second

d) Meter per second squared

4. Which of the following equations represents the relationship between acceleration, initial velocity, final velocity, and time?

a) v = u + at

b) v = u + 2at

c) v = u – at

d) v = u – 2at

5. Which of the following statements is true about friction?

a) Friction always opposes motion

b) Friction always aids motion

c) Friction is independent of the surfaces in contact

d) Friction is caused by the force of gravity