Physics Topic P9: Forces in Action - Motion

What is the definition of displacement?

Fill in the blank: Velocity is the speed of an object in a given ________.

• direction

• time

• mass

• temperature

What does a distance-time graph show?

• The speed of an object over time

• The distance covered by an object over time

• The acceleration of an object over time

• The direction of an object over time

Fill in the blank: A positive gradient on a velocity-time graph represents ________.

• A positive acceleration.

• A constant velocity.

• A negative acceleration.

• No motion.

The formula for calculating acceleration is:

• a = v/t

• a = F/m

• a = (v-u)/t

• a = m/v

The area under the graph in a velocity-time graph represents:

• Acceleration

• Displacement

• Velocity

• Speed

Fill in the blank: The steeper the gradient, the ________ the speed.

• faster

• slower

• same

• variable

The formula for calculating the gradient is:

• y = mx + c

• m = (y2 - y1) / (x2 - x1)

What does a horizontal line on a velocity-time graph indicate?

• acceleration

• deceleration

• constant velocity

• not moving