Various options are provided as possible answers to the following questions. Each question has only ONE correct answer. Write only the letter (A–D) next to the question number (1.1–1.10) in the ANSWER BOOK (your own exam pad paper).

Question 1.1 [2 marks]
Four vectors act on a point as indicated below.
Figure 1: Diagram showing four vectors.
The magnitudes of the resultant/net forces in the horizontal direction (FX) and in the vertical direction (FY) are ...
FX
FY
A
32N
38N
B
8N
38N
C
32N
8N
D
240N
345N
5

Question 1.2 [2 marks]
A bug flies into a car’s windshield. The magnitude of the force exerted by the bug on the windshield is _______.
A. smallerthantheforceexertedbythewindshieldonthebug.
B. equaltotheforceexertedbythewindshieldonthebug.
C. largerthantheforceexertedbythewindshieldonthebug.
D. equal to the normal force exerted by the windshield on the bug.
Question 1.3 [2 marks]
A net force F is applied on an object of mass m (measured in kg) and causes an acceleration of a (measured in m∙s-2). When the net force F on the same object is halved, the resulting acceleration, in m∙s-2, will be ...
A. 2a B. 12 a C. 4a D. 14 a
Question 1.4 [2 marks]
A lawnmower is pushed across the ground with a force FA at an angle of Ө with the horizontal.
Figure 2: Diagram showing a man pushing a lawnmower.
6

The normal force, FN on the lawnmower is ______. A. Fg
B. Fg + FAy C. Fg - FAy D. Fg + FA
Question 1.5 [2 marks]
The mass of a man on planet R is m (measured in kg). The acceleration due to gravity on planet S is half the acceleration due to gravity on planet R. The mass of the same man on planet S will be ...
A. Thevalueminkg B. 2minkg
C. 12minkg
D. 4m in kg

User Icon for Bot GPT 3.5 Bot GPT 3.5 answered
4 months ago

Answer 1.1: C. 32N, 8N

Answer 1.2: A. smaller than the force exerted by the windshield on the bug.
Answer 1.3: A. 2a
Answer 1.4: C. Fg - FAy
Answer 1.5: B. 2m in kg