Kinematics and Dynamics

What is the unit of acceleration?

• m/s

• m/s2

• m

• s

What does the slope of a distance-time graph represent?

• Distance

• Displacement

• Acceleration

• Speed

Which of the following is a scalar quantity?

• Acceleration

• Displacement

• Velocity

• Speed

What is the unit of force?

• Joule

• Pascal

• Newton

• Watt

According to Newton's second law, what is the relationship between force, mass and acceleration?

• F = m/a

• F = m + a

• F = ma

• F = a/m

A 10 kg object is acted upon by a net force of 50N. What is the acceleration of the object?

• 5 m/s2

• 10 m/s2

• 15 m/s2

• 20 m/s2

If an object is in equilibrium, what can we say about the net force acting on it?

• It is increasing

• It is negative

• It is constant

• It is zero

What does a free body diagram represent?

• The motion of an object

• The energy of an object

• The forces acting on an object

• The velocity of an object

An object moves with a constant acceleration. If its initial velocity is 10 m/s and it accelerates at 2 m/s2 for 5 seconds, what is its final velocity?

• 10 m/s

• 30 m/s

• 15 m/s

• 20 m/s

Which of the following equations relates initial velocity, final velocity, acceleration and time?

• S = ut + at2

• v = u + at

• v2 = u2 + 2as

• all of the above