 1) What force is acting downwards? a) Gravity b) Mass c) Weight d) Heavy 2) What force is acting in the opposite direction to balance the weight? a) Height b) Gravity c) Normal contact force 3) Which direction will the rocket move? a) It will be stationary b) Upwards c) Downwards d) Fall over 4) Calculate the resultant force a) 300 N b) 100 J left c) 100 N right d) 100 N left 5) Calculate the resultant force a) 450N b) 900N c) 900N left d) 0N e) 900N right 6) How should forces be drawn? a) tip-to-tip b) tail-to-tail c) tip-to-tail 7) If an object is in equilibrium, what does this mean? a) The forces are unequal b) The forces are more than 8N c) The forces are balanced 8) What is Newton's first law of motion? a) Objects in motion tend to stay in motion and objects at rest tend to stay at rest unless acted upon by an unbalanced force b) F=ma c) For every action there is an equal and opposite reaction 9) What is Newton's second law of motion? a) Objects in motion tend to stay in motion and objects at rest tend to stay at rest unless acted upon by an unbalanced force b) F=ma c) For every action there is an equal and opposite reaction 10) What is Newton's third law of motion? a) Objects in motion tend to stay in motion and objects at rest tend to stay at rest unless acted upon by an unbalanced force b) F=ma c) For every action there is an equal and opposite reaction 11) What can a light gate used for in physics lessons? a) Light a bunsen burner b) It can be used to accurately time moving objects in experiements c) Make it easier to see experiments 12) What slows things down? a) Push b) Pull c) Friction 13) Which two forces are acting on this skydiver? a) Gravity b) Mass c) Weight d) Air resistance 14) Which force is greatest at A? a) Weight b) Air resistance 15) What is happening between C-D a) Acceleration b) Deceleration c) Terminal velocity 16) Why is terminal velocity reached? a) Weight is stronger than air resistance b) Weight and air resitance are balanced c) Air resistance is stronger than weight 17) Inertia is the measure of how difficult it is to change an object's what? a) Mass b) Speed c) Velocity d) Direction 18) Skater B has the biggest mass, who will accelerate the most? a) Skater A b) Skater B 19) What has momentum? a) All moving objects b) All stationary objects 20) Complete the equation, momentum = a) speed / time b) mass / velocity c) mass x velocity 21) Momentum is conserved, what does this mean? a) Momentum after the collision is the same as it was before. b) Momentum after the collision is smaller than it was before. c) Momentum after the collision is bigger than it was before. 22) What is kinetic energy? a) All objects off the ground have this b) Movement energy c) Thermal energy 23) What is an elastic collision? a) The total energy in the kinetic energy stores of the objects colliding is the ame before and after the collision b) Some of the energy in the kinetic energy stores is transferred to other stores 24) What is an inelastic collision? a) The total energy in the kinetic energy stores of the objects colliding is the ame before and after the collision b) Some of the energy in the kinetic energy stores is transferred to other stores 25) What happens to the weight of an object if it is taken to the moon? a) Increases b) Decreases c) Stays the same 26) What happens to the mass of an object if it is taken to the moon? a) Increases b) Decreases c) Stays the same 27) Which of these has the most gravitational potential energy? a) Door mat b) A snowball at the top of Mount Everest c) Paint brush in art 28) When a force makes an object move, which of these is correct? a) Energy is transferred b) Work is done c) Both A + B 29) What is the correct equation for work done? a) Force x distance b) Velocity x mass c) Mass x acceleration 30) What shape is this graph? a) Directly shaped b) Direct mass c) Directly proportional d) Directly positioned 31) What two things did Hooke say were directly proportional? a) Force b) Mass c) Velocity d) Extension 32) What type of deformation occurs after the elastic limit? a) Elastic b) Plastic 33) What is plastic deformation? a) When an object returns to its a original shape b) When an object doesn't return to its a original shape 34) How do you calculate the stiffness of a spring? a) Force x extension b) Force / extension c) Extenstion / force 35) How do you find the energy transferred when an object deforms elastically? a) The gradient of the graph b) The area under the graph c) Force / extension

# Topic B Physics

tarafından

### Seçenekler ### Şablonu değiştir

#### Etkileşimliler   