Diagnostic Assessment Grade 7

The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to remain in place?

• Object W
• Object X
• Object Y
• Object Z

Imagine a bat swinging with a force of 1200 N, hitting a ball pitched with a force of 400 N. At what net force does the ball move away from the bat?

• 1600 N
• 800 N
• 400 N
• Net force of 0 N

The formula for Speed is...

• Speed = distance/ time

• Speed = time/ distance

Paul runs at 200m/min for 30min. Find the distance covered.

• 6000m

• 6500m

• 5000m

• 5500m

Paul drives at a speed of 80 km/h for a distance of 200 km. Find the time taken.

• 2.5 hours

• 3.5 hours

• 2 hours

• 3 hours

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

Which graph represents the greatest acceleration?

• A
• B
• C
• D

What is happening in this graph from point B to C?

• The object is going down a hill.
• The object is returning to its starting location.
• The object is slowing down.
• The object is staying still.

Pengamatan tetesan oli motor yang melaju pada jalan lurus dilukiskan seperti pada gambar. Yang menunjukkan motor sedang bergerak dengan kecepatan tetap (GLB) adalah

• 1

• 2

• 3

• 4

Motor bergerak dengan meninggalkan tetesan oli seperti pada gambar. Dari tetesan oli ini menunjukkan gerak motor termasuk

• Gerak lurus beraturan

• Gerak lurus berubah beraturan diperlambat

• gerak lurus berubah secara tidak beraturan

• gerak lurus berubah beraturan dipercepat